Home / 814,961.60-1,222,442.40-741,478.40

Finding the Fourth Proportional to 814,961.60, 1,222,442.40 and 741,478.40

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Solution

The fourth proportional to 814,961.60, 1,222,442.40 and 741,478.40 is: 1,112,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,961.60 : 1,222,442.40 = 741,478.40 : x
  2. Step 2: Convert to fraction form
    814,961.60/1,222,442.40 = 741,478.40/x
  3. Step 3: Cross multiply
    814,961.60x = 1,222,442.40 × 741,478.40
  4. Step 4: Simplify right side
    814,961.60x = 906,414,634,844.16
  5. Step 5: Solve for x
    x = 906,414,634,844.16/814,961.60
  6. Step 6: Final answer
    x = 1,112,217.60

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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.