Home / 783,037.20-1,175,430.60-731,642.70

Finding the Fourth Proportional to 783,037.20, 1,175,430.60 and 731,642.70

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Solution

The fourth proportional to 783,037.20, 1,175,430.60 and 731,642.70 is: 1,098,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,037.20 : 1,175,430.60 = 731,642.70 : x
  2. Step 2: Convert to fraction form
    783,037.20/1,175,430.60 = 731,642.70/x
  3. Step 3: Cross multiply
    783,037.20x = 1,175,430.60 × 731,642.70
  4. Step 4: Simplify right side
    783,037.20x = 859,995,217,846.62
  5. Step 5: Solve for x
    x = 859,995,217,846.62/783,037.20
  6. Step 6: Final answer
    x = 1,098,281.43

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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.