Home / 1,478,959.76-2,218,439.66-481,687.76

Finding the Fourth Proportional to 1,478,959.76, 2,218,439.66 and 481,687.76

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Solution

The fourth proportional to 1,478,959.76, 2,218,439.66 and 481,687.76 is: 722,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,959.76 : 2,218,439.66 = 481,687.76 : x
  2. Step 2: Convert to fraction form
    1,478,959.76/2,218,439.66 = 481,687.76/x
  3. Step 3: Cross multiply
    1,478,959.76x = 2,218,439.66 × 481,687.76
  4. Step 4: Simplify right side
    1,478,959.76x = 1,068,595,230,520.56
  5. Step 5: Solve for x
    x = 1,068,595,230,520.56/1,478,959.76
  6. Step 6: Final answer
    x = 722,531.65

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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.