Home / 1,454,576.43-2,181,117.65-781,224.42

Finding the Fourth Proportional to 1,454,576.43, 2,181,117.65 and 781,224.42

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Solution

The fourth proportional to 1,454,576.43, 2,181,117.65 and 781,224.42 is: 1,171,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,576.43 : 2,181,117.65 = 781,224.42 : x
  2. Step 2: Convert to fraction form
    1,454,576.43/2,181,117.65 = 781,224.42/x
  3. Step 3: Cross multiply
    1,454,576.43x = 2,181,117.65 × 781,224.42
  4. Step 4: Simplify right side
    1,454,576.43x = 1,703,942,375,803.27
  5. Step 5: Solve for x
    x = 1,703,942,375,803.27/1,454,576.43
  6. Step 6: Final answer
    x = 1,171,435.43

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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.