The Greek Golden Ratio Phi (1.618) is a formula representing aesthetic harmony that has guided proportions in art and ...

For example, someone earning $60,000 a year has a monthly gross income of $2,500. If she saved $250 for retirement and paid $250 a month toward her credit cards, her golden ratio would be 10-80-10 ...

The Golden Ratio is an irrational number ... so that the focus of the artwork is found in the centre of the spiral. Examples can be found in the works of Leonardo da Vinci and Salvador Dali.