Finding the Fourth Proportional to 1,440,832.51, 2,161,248.75 and 542,475.79
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Solution
The fourth proportional to 1,440,832.51, 2,161,248.75 and 542,475.79 is: 813,713.68
Step by Step Solution
- Step 1: Write the proportion equation
1,440,832.51 : 2,161,248.75 = 542,475.79 : x - Step 2: Convert to fraction form
1,440,832.51/2,161,248.75 = 542,475.79/x - Step 3: Cross multiply
1,440,832.51x = 2,161,248.75 × 542,475.79 - Step 4: Simplify right side
1,440,832.51x = 1,172,425,123,042.76 - Step 5: Solve for x
x = 1,172,425,123,042.76/1,440,832.51 - Step 6: Final answer
x = 813,713.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.