Home / 791,344.20-1,187,016.30-756,789.60

Finding the Fourth Proportional to 791,344.20, 1,187,016.30 and 756,789.60

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Solution

The fourth proportional to 791,344.20, 1,187,016.30 and 756,789.60 is: 1,135,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,344.20 : 1,187,016.30 = 756,789.60 : x
  2. Step 2: Convert to fraction form
    791,344.20/1,187,016.30 = 756,789.60/x
  3. Step 3: Cross multiply
    791,344.20x = 1,187,016.30 × 756,789.60
  4. Step 4: Simplify right side
    791,344.20x = 898,321,590,870.48
  5. Step 5: Solve for x
    x = 898,321,590,870.48/791,344.20
  6. Step 6: Final answer
    x = 1,135,184.40

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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.