Home / 951,921.14-1,428,015.35-278,051.90

Finding the Fourth Proportional to 951,921.14, 1,428,015.35 and 278,051.90

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Solution

The fourth proportional to 951,921.14, 1,428,015.35 and 278,051.90 is: 417,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,921.14 : 1,428,015.35 = 278,051.90 : x
  2. Step 2: Convert to fraction form
    951,921.14/1,428,015.35 = 278,051.90/x
  3. Step 3: Cross multiply
    951,921.14x = 1,428,015.35 × 278,051.90
  4. Step 4: Simplify right side
    951,921.14x = 397,062,374,851.72
  5. Step 5: Solve for x
    x = 397,062,374,851.72/951,921.14
  6. Step 6: Final answer
    x = 417,116.88

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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.