Home / 1,086,257.25-1,498,688.24-627,311.20

Finding the Fourth Proportional to 1,086,257.25, 1,498,688.24 and 627,311.20

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Solution

The fourth proportional to 1,086,257.25, 1,498,688.24 and 627,311.20 is: 865,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,257.25 : 1,498,688.24 = 627,311.20 : x
  2. Step 2: Convert to fraction form
    1,086,257.25/1,498,688.24 = 627,311.20/x
  3. Step 3: Cross multiply
    1,086,257.25x = 1,498,688.24 × 627,311.20
  4. Step 4: Simplify right side
    1,086,257.25x = 940,143,918,260.29
  5. Step 5: Solve for x
    x = 940,143,918,260.29/1,086,257.25
  6. Step 6: Final answer
    x = 865,489.20

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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.