Home / 902,745.20-1,245,221.88-580,873.52

Finding the Fourth Proportional to 902,745.20, 1,245,221.88 and 580,873.52

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Solution

The fourth proportional to 902,745.20, 1,245,221.88 and 580,873.52 is: 801,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,745.20 : 1,245,221.88 = 580,873.52 : x
  2. Step 2: Convert to fraction form
    902,745.20/1,245,221.88 = 580,873.52/x
  3. Step 3: Cross multiply
    902,745.20x = 1,245,221.88 × 580,873.52
  4. Step 4: Simplify right side
    902,745.20x = 723,316,416,616.62
  5. Step 5: Solve for x
    x = 723,316,416,616.62/902,745.20
  6. Step 6: Final answer
    x = 801,240.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.