Home / 789,932.52-1,182,143.16-646,115.40

Finding the Fourth Proportional to 789,932.52, 1,182,143.16 and 646,115.40

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Solution

The fourth proportional to 789,932.52, 1,182,143.16 and 646,115.40 is: 966,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,932.52 : 1,182,143.16 = 646,115.40 : x
  2. Step 2: Convert to fraction form
    789,932.52/1,182,143.16 = 646,115.40/x
  3. Step 3: Cross multiply
    789,932.52x = 1,182,143.16 × 646,115.40
  4. Step 4: Simplify right side
    789,932.52x = 763,800,900,680.66
  5. Step 5: Solve for x
    x = 763,800,900,680.66/789,932.52
  6. Step 6: Final answer
    x = 966,919.18

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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.