Home / 747,015.20-1,118,449.20-726,279.20

Finding the Fourth Proportional to 747,015.20, 1,118,449.20 and 726,279.20

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Solution

The fourth proportional to 747,015.20, 1,118,449.20 and 726,279.20 is: 1,087,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,015.20 : 1,118,449.20 = 726,279.20 : x
  2. Step 2: Convert to fraction form
    747,015.20/1,118,449.20 = 726,279.20/x
  3. Step 3: Cross multiply
    747,015.20x = 1,118,449.20 × 726,279.20
  4. Step 4: Simplify right side
    747,015.20x = 812,306,390,216.64
  5. Step 5: Solve for x
    x = 812,306,390,216.64/747,015.20
  6. Step 6: Final answer
    x = 1,087,402.76

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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.