Home / 1,270,573.28-1,753,386.03-726,708.30

Finding the Fourth Proportional to 1,270,573.28, 1,753,386.03 and 726,708.30

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Solution

The fourth proportional to 1,270,573.28, 1,753,386.03 and 726,708.30 is: 1,002,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,573.28 : 1,753,386.03 = 726,708.30 : x
  2. Step 2: Convert to fraction form
    1,270,573.28/1,753,386.03 = 726,708.30/x
  3. Step 3: Cross multiply
    1,270,573.28x = 1,753,386.03 × 726,708.30
  4. Step 4: Simplify right side
    1,270,573.28x = 1,274,200,181,105.05
  5. Step 5: Solve for x
    x = 1,274,200,181,105.05/1,270,573.28
  6. Step 6: Final answer
    x = 1,002,854.54

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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.