Home / 1,253,395.26-1,729,726.92-709,519.79

Finding the Fourth Proportional to 1,253,395.26, 1,729,726.92 and 709,519.79

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Solution

The fourth proportional to 1,253,395.26, 1,729,726.92 and 709,519.79 is: 979,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,395.26 : 1,729,726.92 = 709,519.79 : x
  2. Step 2: Convert to fraction form
    1,253,395.26/1,729,726.92 = 709,519.79/x
  3. Step 3: Cross multiply
    1,253,395.26x = 1,729,726.92 × 709,519.79
  4. Step 4: Simplify right side
    1,253,395.26x = 1,227,275,485,360.06
  5. Step 5: Solve for x
    x = 1,227,275,485,360.06/1,253,395.26
  6. Step 6: Final answer
    x = 979,160.78

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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.