Home / 782,171.40-1,173,257.10-729,294.60

Finding the Fourth Proportional to 782,171.40, 1,173,257.10 and 729,294.60

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Solution

The fourth proportional to 782,171.40, 1,173,257.10 and 729,294.60 is: 1,093,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,171.40 : 1,173,257.10 = 729,294.60 : x
  2. Step 2: Convert to fraction form
    782,171.40/1,173,257.10 = 729,294.60/x
  3. Step 3: Cross multiply
    782,171.40x = 1,173,257.10 × 729,294.60
  4. Step 4: Simplify right side
    782,171.40x = 855,650,067,441.66
  5. Step 5: Solve for x
    x = 855,650,067,441.66/782,171.40
  6. Step 6: Final answer
    x = 1,093,941.90

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1.5x scale

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.