Home / 1,338,167.16-1,846,621.20-726,306.88

Finding the Fourth Proportional to 1,338,167.16, 1,846,621.20 and 726,306.88

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Solution

The fourth proportional to 1,338,167.16, 1,846,621.20 and 726,306.88 is: 1,002,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,167.16 : 1,846,621.20 = 726,306.88 : x
  2. Step 2: Convert to fraction form
    1,338,167.16/1,846,621.20 = 726,306.88/x
  3. Step 3: Cross multiply
    1,338,167.16x = 1,846,621.20 × 726,306.88
  4. Step 4: Simplify right side
    1,338,167.16x = 1,341,213,680,420.95
  5. Step 5: Solve for x
    x = 1,341,213,680,420.95/1,338,167.16
  6. Step 6: Final answer
    x = 1,002,276.64

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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.