Home / 1,100,239.92-1,648,251.72-744,640.56

Finding the Fourth Proportional to 1,100,239.92, 1,648,251.72 and 744,640.56

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Solution

The fourth proportional to 1,100,239.92, 1,648,251.72 and 744,640.56 is: 1,115,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,239.92 : 1,648,251.72 = 744,640.56 : x
  2. Step 2: Convert to fraction form
    1,100,239.92/1,648,251.72 = 744,640.56/x
  3. Step 3: Cross multiply
    1,100,239.92x = 1,648,251.72 × 744,640.56
  4. Step 4: Simplify right side
    1,100,239.92x = 1,227,355,083,801.76
  5. Step 5: Solve for x
    x = 1,227,355,083,801.76/1,100,239.92
  6. Step 6: Final answer
    x = 1,115,534.04

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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.