Home / 1,159,240.70-1,738,861.05-783,227.90

Finding the Fourth Proportional to 1,159,240.70, 1,738,861.05 and 783,227.90

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Solution

The fourth proportional to 1,159,240.70, 1,738,861.05 and 783,227.90 is: 1,174,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,240.70 : 1,738,861.05 = 783,227.90 : x
  2. Step 2: Convert to fraction form
    1,159,240.70/1,738,861.05 = 783,227.90/x
  3. Step 3: Cross multiply
    1,159,240.70x = 1,738,861.05 × 783,227.90
  4. Step 4: Simplify right side
    1,159,240.70x = 1,361,924,488,583.30
  5. Step 5: Solve for x
    x = 1,361,924,488,583.30/1,159,240.70
  6. Step 6: Final answer
    x = 1,174,841.85

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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.