Home / 1,551,318.92-2,326,978.46-486,446.75

Finding the Fourth Proportional to 1,551,318.92, 2,326,978.46 and 486,446.75

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Solution

The fourth proportional to 1,551,318.92, 2,326,978.46 and 486,446.75 is: 729,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,318.92 : 2,326,978.46 = 486,446.75 : x
  2. Step 2: Convert to fraction form
    1,551,318.92/2,326,978.46 = 486,446.75/x
  3. Step 3: Cross multiply
    1,551,318.92x = 2,326,978.46 × 486,446.75
  4. Step 4: Simplify right side
    1,551,318.92x = 1,131,951,109,187.00
  5. Step 5: Solve for x
    x = 1,131,951,109,187.00/1,551,318.92
  6. Step 6: Final answer
    x = 729,670.15

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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.