Home / 1,253,310.44-1,729,084.02-709,321.55

Finding the Fourth Proportional to 1,253,310.44, 1,729,084.02 and 709,321.55

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Solution

The fourth proportional to 1,253,310.44, 1,729,084.02 and 709,321.55 is: 978,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,310.44 : 1,729,084.02 = 709,321.55 : x
  2. Step 2: Convert to fraction form
    1,253,310.44/1,729,084.02 = 709,321.55/x
  3. Step 3: Cross multiply
    1,253,310.44x = 1,729,084.02 × 709,321.55
  4. Step 4: Simplify right side
    1,253,310.44x = 1,226,476,557,146.63
  5. Step 5: Solve for x
    x = 1,226,476,557,146.63/1,253,310.44
  6. Step 6: Final answer
    x = 978,589.60

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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.