Home / 1,425,614.80-2,138,998.20-627,048.40

Finding the Fourth Proportional to 1,425,614.80, 2,138,998.20 and 627,048.40

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Solution

The fourth proportional to 1,425,614.80, 2,138,998.20 and 627,048.40 is: 940,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,614.80 : 2,138,998.20 = 627,048.40 : x
  2. Step 2: Convert to fraction form
    1,425,614.80/2,138,998.20 = 627,048.40/x
  3. Step 3: Cross multiply
    1,425,614.80x = 2,138,998.20 × 627,048.40
  4. Step 4: Simplify right side
    1,425,614.80x = 1,341,255,398,912.88
  5. Step 5: Solve for x
    x = 1,341,255,398,912.88/1,425,614.80
  6. Step 6: Final answer
    x = 940,825.95

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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.