Home / 783,016.20-1,175,399.10-731,621.70

Finding the Fourth Proportional to 783,016.20, 1,175,399.10 and 731,621.70

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Solution

The fourth proportional to 783,016.20, 1,175,399.10 and 731,621.70 is: 1,098,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,016.20 : 1,175,399.10 = 731,621.70 : x
  2. Step 2: Convert to fraction form
    783,016.20/1,175,399.10 = 731,621.70/x
  3. Step 3: Cross multiply
    783,016.20x = 1,175,399.10 × 731,621.70
  4. Step 4: Simplify right side
    783,016.20x = 859,947,487,720.47
  5. Step 5: Solve for x
    x = 859,947,487,720.47/783,016.20
  6. Step 6: Final answer
    x = 1,098,249.93

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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.