Home / 812,195.74-1,216,961.97-575,112.79

Finding the Fourth Proportional to 812,195.74, 1,216,961.97 and 575,112.79

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Solution

The fourth proportional to 812,195.74, 1,216,961.97 and 575,112.79 is: 861,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,195.74 : 1,216,961.97 = 575,112.79 : x
  2. Step 2: Convert to fraction form
    812,195.74/1,216,961.97 = 575,112.79/x
  3. Step 3: Cross multiply
    812,195.74x = 1,216,961.97 × 575,112.79
  4. Step 4: Simplify right side
    812,195.74x = 699,890,393,890.60
  5. Step 5: Solve for x
    x = 699,890,393,890.60/812,195.74
  6. Step 6: Final answer
    x = 861,726.26

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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.