Finding the Fourth Proportional to 1,163,449.60, 1,605,845.44 and 711,119.68
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Solution
The fourth proportional to 1,163,449.60, 1,605,845.44 and 711,119.68 is: 981,519.35
Step by Step Solution
- Step 1: Write the proportion equation
1,163,449.60 : 1,605,845.44 = 711,119.68 : x - Step 2: Convert to fraction form
1,163,449.60/1,605,845.44 = 711,119.68/x - Step 3: Cross multiply
1,163,449.60x = 1,605,845.44 × 711,119.68 - Step 4: Simplify right side
1,163,449.60x = 1,141,948,295,422.26 - Step 5: Solve for x
x = 1,141,948,295,422.26/1,163,449.60 - Step 6: Final answer
x = 981,519.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.