Home / 1,244,947.55-1,867,891.95-487,330.47

Finding the Fourth Proportional to 1,244,947.55, 1,867,891.95 and 487,330.47

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Solution

The fourth proportional to 1,244,947.55, 1,867,891.95 and 487,330.47 is: 731,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,947.55 : 1,867,891.95 = 487,330.47 : x
  2. Step 2: Convert to fraction form
    1,244,947.55/1,867,891.95 = 487,330.47/x
  3. Step 3: Cross multiply
    1,244,947.55x = 1,867,891.95 × 487,330.47
  4. Step 4: Simplify right side
    1,244,947.55x = 910,280,661,902.72
  5. Step 5: Solve for x
    x = 910,280,661,902.72/1,244,947.55
  6. Step 6: Final answer
    x = 731,179.93

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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.