Home / 1,260,445.92-1,891,486.80-754,625.76

Finding the Fourth Proportional to 1,260,445.92, 1,891,486.80 and 754,625.76

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Solution

The fourth proportional to 1,260,445.92, 1,891,486.80 and 754,625.76 is: 1,132,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,445.92 : 1,891,486.80 = 754,625.76 : x
  2. Step 2: Convert to fraction form
    1,260,445.92/1,891,486.80 = 754,625.76/x
  3. Step 3: Cross multiply
    1,260,445.92x = 1,891,486.80 × 754,625.76
  4. Step 4: Simplify right side
    1,260,445.92x = 1,427,364,663,979.97
  5. Step 5: Solve for x
    x = 1,427,364,663,979.97/1,260,445.92
  6. Step 6: Final answer
    x = 1,132,428.33

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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.