Home / 1,244,491.20-1,865,424.60-486,039.60

Finding the Fourth Proportional to 1,244,491.20, 1,865,424.60 and 486,039.60

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Solution

The fourth proportional to 1,244,491.20, 1,865,424.60 and 486,039.60 is: 728,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,491.20 : 1,865,424.60 = 486,039.60 : x
  2. Step 2: Convert to fraction form
    1,244,491.20/1,865,424.60 = 486,039.60/x
  3. Step 3: Cross multiply
    1,244,491.20x = 1,865,424.60 × 486,039.60
  4. Step 4: Simplify right side
    1,244,491.20x = 906,670,226,414.16
  5. Step 5: Solve for x
    x = 906,670,226,414.16/1,244,491.20
  6. Step 6: Final answer
    x = 728,546.92

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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.