Home / 1,123,949.25-1,685,480.09-449,904.92

Finding the Fourth Proportional to 1,123,949.25, 1,685,480.09 and 449,904.92

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Solution

The fourth proportional to 1,123,949.25, 1,685,480.09 and 449,904.92 is: 674,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,949.25 : 1,685,480.09 = 449,904.92 : x
  2. Step 2: Convert to fraction form
    1,123,949.25/1,685,480.09 = 449,904.92/x
  3. Step 3: Cross multiply
    1,123,949.25x = 1,685,480.09 × 449,904.92
  4. Step 4: Simplify right side
    1,123,949.25x = 758,305,774,376.12
  5. Step 5: Solve for x
    x = 758,305,774,376.12/1,123,949.25
  6. Step 6: Final answer
    x = 674,679.73

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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.