Home / 1,027,626.96-1,540,380.96-428,936.52

Finding the Fourth Proportional to 1,027,626.96, 1,540,380.96 and 428,936.52

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Solution

The fourth proportional to 1,027,626.96, 1,540,380.96 and 428,936.52 is: 642,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,626.96 : 1,540,380.96 = 428,936.52 : x
  2. Step 2: Convert to fraction form
    1,027,626.96/1,540,380.96 = 428,936.52/x
  3. Step 3: Cross multiply
    1,027,626.96x = 1,540,380.96 × 428,936.52
  4. Step 4: Simplify right side
    1,027,626.96x = 660,725,648,456.66
  5. Step 5: Solve for x
    x = 660,725,648,456.66/1,027,626.96
  6. Step 6: Final answer
    x = 642,962.55

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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.