Home / 1,261,023.92-1,887,097.80-787,932.08

Finding the Fourth Proportional to 1,261,023.92, 1,887,097.80 and 787,932.08

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Solution

The fourth proportional to 1,261,023.92, 1,887,097.80 and 787,932.08 is: 1,179,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,023.92 : 1,887,097.80 = 787,932.08 : x
  2. Step 2: Convert to fraction form
    1,261,023.92/1,887,097.80 = 787,932.08/x
  3. Step 3: Cross multiply
    1,261,023.92x = 1,887,097.80 × 787,932.08
  4. Step 4: Simplify right side
    1,261,023.92x = 1,486,904,894,717.42
  5. Step 5: Solve for x
    x = 1,486,904,894,717.42/1,261,023.92
  6. Step 6: Final answer
    x = 1,179,125.05

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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.