Home / 828,843.82-1,143,187.92-731,876.60

Finding the Fourth Proportional to 828,843.82, 1,143,187.92 and 731,876.60

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Solution

The fourth proportional to 828,843.82, 1,143,187.92 and 731,876.60 is: 1,009,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,843.82 : 1,143,187.92 = 731,876.60 : x
  2. Step 2: Convert to fraction form
    828,843.82/1,143,187.92 = 731,876.60/x
  3. Step 3: Cross multiply
    828,843.82x = 1,143,187.92 × 731,876.60
  4. Step 4: Simplify right side
    828,843.82x = 836,672,479,590.20
  5. Step 5: Solve for x
    x = 836,672,479,590.20/828,843.82
  6. Step 6: Final answer
    x = 1,009,445.28

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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.