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Finding the Fourth Proportional to 1,229,896.70, 1,844,845.05 and 804,743.90

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Solution

The fourth proportional to 1,229,896.70, 1,844,845.05 and 804,743.90 is: 1,207,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,896.70 : 1,844,845.05 = 804,743.90 : x
  2. Step 2: Convert to fraction form
    1,229,896.70/1,844,845.05 = 804,743.90/x
  3. Step 3: Cross multiply
    1,229,896.70x = 1,844,845.05 × 804,743.90
  4. Step 4: Simplify right side
    1,229,896.70x = 1,484,627,800,432.70
  5. Step 5: Solve for x
    x = 1,484,627,800,432.70/1,229,896.70
  6. Step 6: Final answer
    x = 1,207,115.85

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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.