Home / 1,253,158.65-1,729,062.45-709,294.37

Finding the Fourth Proportional to 1,253,158.65, 1,729,062.45 and 709,294.37

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Solution

The fourth proportional to 1,253,158.65, 1,729,062.45 and 709,294.37 is: 978,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,158.65 : 1,729,062.45 = 709,294.37 : x
  2. Step 2: Convert to fraction form
    1,253,158.65/1,729,062.45 = 709,294.37/x
  3. Step 3: Cross multiply
    1,253,158.65x = 1,729,062.45 × 709,294.37
  4. Step 4: Simplify right side
    1,253,158.65x = 1,226,414,252,518.09
  5. Step 5: Solve for x
    x = 1,226,414,252,518.09/1,253,158.65
  6. Step 6: Final answer
    x = 978,658.41

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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.