Finding the Fourth Proportional to 1,201,708.72, 1,656,591.24 and 914,728.96
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Solution
The fourth proportional to 1,201,708.72, 1,656,591.24 and 914,728.96 is: 1,260,981.10
Step by Step Solution
- Step 1: Write the proportion equation
1,201,708.72 : 1,656,591.24 = 914,728.96 : x - Step 2: Convert to fraction form
1,201,708.72/1,656,591.24 = 914,728.96/x - Step 3: Cross multiply
1,201,708.72x = 1,656,591.24 × 914,728.96 - Step 4: Simplify right side
1,201,708.72x = 1,515,331,982,110.31 - Step 5: Solve for x
x = 1,515,331,982,110.31/1,201,708.72 - Step 6: Final answer
x = 1,260,981.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.