Home / 1,270,588.38-1,753,406.82-726,723.39

Finding the Fourth Proportional to 1,270,588.38, 1,753,406.82 and 726,723.39

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Solution

The fourth proportional to 1,270,588.38, 1,753,406.82 and 726,723.39 is: 1,002,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,588.38 : 1,753,406.82 = 726,723.39 : x
  2. Step 2: Convert to fraction form
    1,270,588.38/1,753,406.82 = 726,723.39/x
  3. Step 3: Cross multiply
    1,270,588.38x = 1,753,406.82 × 726,723.39
  4. Step 4: Simplify right side
    1,270,588.38x = 1,274,241,739,512.49
  5. Step 5: Solve for x
    x = 1,274,241,739,512.49/1,270,588.38
  6. Step 6: Final answer
    x = 1,002,875.33

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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.