Home / 1,398,519.25-2,098,899.88-724,793.17

Finding the Fourth Proportional to 1,398,519.25, 2,098,899.88 and 724,793.17

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Solution

The fourth proportional to 1,398,519.25, 2,098,899.88 and 724,793.17 is: 1,087,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,519.25 : 2,098,899.88 = 724,793.17 : x
  2. Step 2: Convert to fraction form
    1,398,519.25/2,098,899.88 = 724,793.17/x
  3. Step 3: Cross multiply
    1,398,519.25x = 2,098,899.88 × 724,793.17
  4. Step 4: Simplify right side
    1,398,519.25x = 1,521,268,297,537.82
  5. Step 5: Solve for x
    x = 1,521,268,297,537.82/1,398,519.25
  6. Step 6: Final answer
    x = 1,087,770.72

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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.