Home / 1,516,201.11-2,275,011.87-747,279.65

Finding the Fourth Proportional to 1,516,201.11, 2,275,011.87 and 747,279.65

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Solution

The fourth proportional to 1,516,201.11, 2,275,011.87 and 747,279.65 is: 1,121,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,201.11 : 2,275,011.87 = 747,279.65 : x
  2. Step 2: Convert to fraction form
    1,516,201.11/2,275,011.87 = 747,279.65/x
  3. Step 3: Cross multiply
    1,516,201.11x = 2,275,011.87 × 747,279.65
  4. Step 4: Simplify right side
    1,516,201.11x = 1,700,070,073,959.45
  5. Step 5: Solve for x
    x = 1,700,070,073,959.45/1,516,201.11
  6. Step 6: Final answer
    x = 1,121,269.51

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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.