Finding the Fourth Proportional to 1,127,199.38, 1,690,757.34 and 487,664.09
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Solution
The fourth proportional to 1,127,199.38, 1,690,757.34 and 487,664.09 is: 731,478.08
Step by Step Solution
- Step 1: Write the proportion equation
1,127,199.38 : 1,690,757.34 = 487,664.09 : x - Step 2: Convert to fraction form
1,127,199.38/1,690,757.34 = 487,664.09/x - Step 3: Cross multiply
1,127,199.38x = 1,690,757.34 × 487,664.09 - Step 4: Simplify right side
1,127,199.38x = 824,521,639,621.92 - Step 5: Solve for x
x = 824,521,639,621.92/1,127,199.38 - Step 6: Final answer
x = 731,478.08
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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.