Home / 814,908.60-1,222,362.90-741,425.40

Finding the Fourth Proportional to 814,908.60, 1,222,362.90 and 741,425.40

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Solution

The fourth proportional to 814,908.60, 1,222,362.90 and 741,425.40 is: 1,112,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,908.60 : 1,222,362.90 = 741,425.40 : x
  2. Step 2: Convert to fraction form
    814,908.60/1,222,362.90 = 741,425.40/x
  3. Step 3: Cross multiply
    814,908.60x = 1,222,362.90 × 741,425.40
  4. Step 4: Simplify right side
    814,908.60x = 906,290,902,077.66
  5. Step 5: Solve for x
    x = 906,290,902,077.66/814,908.60
  6. Step 6: Final answer
    x = 1,112,138.10

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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.