Home / 747,005.20-1,118,434.20-726,269.20

Finding the Fourth Proportional to 747,005.20, 1,118,434.20 and 726,269.20

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Solution

The fourth proportional to 747,005.20, 1,118,434.20 and 726,269.20 is: 1,087,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,005.20 : 1,118,434.20 = 726,269.20 : x
  2. Step 2: Convert to fraction form
    747,005.20/1,118,434.20 = 726,269.20/x
  3. Step 3: Cross multiply
    747,005.20x = 1,118,434.20 × 726,269.20
  4. Step 4: Simplify right side
    747,005.20x = 812,284,311,686.64
  5. Step 5: Solve for x
    x = 812,284,311,686.64/747,005.20
  6. Step 6: Final answer
    x = 1,087,387.76

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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.