Home / 1,299,435.52-1,948,755.97-457,790.44

Finding the Fourth Proportional to 1,299,435.52, 1,948,755.97 and 457,790.44

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Solution

The fourth proportional to 1,299,435.52, 1,948,755.97 and 457,790.44 is: 686,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,435.52 : 1,948,755.97 = 457,790.44 : x
  2. Step 2: Convert to fraction form
    1,299,435.52/1,948,755.97 = 457,790.44/x
  3. Step 3: Cross multiply
    1,299,435.52x = 1,948,755.97 × 457,790.44
  4. Step 4: Simplify right side
    1,299,435.52x = 892,121,848,659.28
  5. Step 5: Solve for x
    x = 892,121,848,659.28/1,299,435.52
  6. Step 6: Final answer
    x = 686,545.69

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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.