Home / 1,427,531.52-2,140,441.90-454,475.28

Finding the Fourth Proportional to 1,427,531.52, 2,140,441.90 and 454,475.28

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Solution

The fourth proportional to 1,427,531.52, 2,140,441.90 and 454,475.28 is: 681,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,531.52 : 2,140,441.90 = 454,475.28 : x
  2. Step 2: Convert to fraction form
    1,427,531.52/2,140,441.90 = 454,475.28/x
  3. Step 3: Cross multiply
    1,427,531.52x = 2,140,441.90 × 454,475.28
  4. Step 4: Simplify right side
    1,427,531.52x = 972,777,921,124.02
  5. Step 5: Solve for x
    x = 972,777,921,124.02/1,427,531.52
  6. Step 6: Final answer
    x = 681,440.59

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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.