Home / 853,872.20-1,178,456.28-825,832.16

Finding the Fourth Proportional to 853,872.20, 1,178,456.28 and 825,832.16

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Solution

The fourth proportional to 853,872.20, 1,178,456.28 and 825,832.16 is: 1,139,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,872.20 : 1,178,456.28 = 825,832.16 : x
  2. Step 2: Convert to fraction form
    853,872.20/1,178,456.28 = 825,832.16/x
  3. Step 3: Cross multiply
    853,872.20x = 1,178,456.28 × 825,832.16
  4. Step 4: Simplify right side
    853,872.20x = 973,207,095,177.97
  5. Step 5: Solve for x
    x = 973,207,095,177.97/853,872.20
  6. Step 6: Final answer
    x = 1,139,757.33

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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.