Finding the Fourth Proportional to 1,201,102.86, 1,657,472.43 and 717,934.41
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Solution
The fourth proportional to 1,201,102.86, 1,657,472.43 and 717,934.41 is: 990,719.89
Step by Step Solution
- Step 1: Write the proportion equation
1,201,102.86 : 1,657,472.43 = 717,934.41 : x - Step 2: Convert to fraction form
1,201,102.86/1,657,472.43 = 717,934.41/x - Step 3: Cross multiply
1,201,102.86x = 1,657,472.43 × 717,934.41 - Step 4: Simplify right side
1,201,102.86x = 1,189,956,491,123.32 - Step 5: Solve for x
x = 1,189,956,491,123.32/1,201,102.86 - Step 6: Final answer
x = 990,719.89
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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.