Home / 783,053.70-1,175,455.35-731,659.20

Finding the Fourth Proportional to 783,053.70, 1,175,455.35 and 731,659.20

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Solution

The fourth proportional to 783,053.70, 1,175,455.35 and 731,659.20 is: 1,098,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,053.70 : 1,175,455.35 = 731,659.20 : x
  2. Step 2: Convert to fraction form
    783,053.70/1,175,455.35 = 731,659.20/x
  3. Step 3: Cross multiply
    783,053.70x = 1,175,455.35 × 731,659.20
  4. Step 4: Simplify right side
    783,053.70x = 860,032,721,016.72
  5. Step 5: Solve for x
    x = 860,032,721,016.72/783,053.70
  6. Step 6: Final answer
    x = 1,098,306.18

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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.