Home / 1,255,257.31-1,883,136.52-656,488.03

Finding the Fourth Proportional to 1,255,257.31, 1,883,136.52 and 656,488.03

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Solution

The fourth proportional to 1,255,257.31, 1,883,136.52 and 656,488.03 is: 984,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,257.31 : 1,883,136.52 = 656,488.03 : x
  2. Step 2: Convert to fraction form
    1,255,257.31/1,883,136.52 = 656,488.03/x
  3. Step 3: Cross multiply
    1,255,257.31x = 1,883,136.52 × 656,488.03
  4. Step 4: Simplify right side
    1,255,257.31x = 1,236,256,580,348.62
  5. Step 5: Solve for x
    x = 1,236,256,580,348.62/1,255,257.31
  6. Step 6: Final answer
    x = 984,863.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.