Home / 1,270,589.38-1,753,408.20-726,724.39

Finding the Fourth Proportional to 1,270,589.38, 1,753,408.20 and 726,724.39

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Solution

The fourth proportional to 1,270,589.38, 1,753,408.20 and 726,724.39 is: 1,002,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,589.38 : 1,753,408.20 = 726,724.39 : x
  2. Step 2: Convert to fraction form
    1,270,589.38/1,753,408.20 = 726,724.39/x
  3. Step 3: Cross multiply
    1,270,589.38x = 1,753,408.20 × 726,724.39
  4. Step 4: Simplify right side
    1,270,589.38x = 1,274,244,504,566.00
  5. Step 5: Solve for x
    x = 1,274,244,504,566.00/1,270,589.38
  6. Step 6: Final answer
    x = 1,002,876.72

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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.