Home / 1,028,672.20-1,543,254.66-429,299.95

Finding the Fourth Proportional to 1,028,672.20, 1,543,254.66 and 429,299.95

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Solution

The fourth proportional to 1,028,672.20, 1,543,254.66 and 429,299.95 is: 644,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,672.20 : 1,543,254.66 = 429,299.95 : x
  2. Step 2: Convert to fraction form
    1,028,672.20/1,543,254.66 = 429,299.95/x
  3. Step 3: Cross multiply
    1,028,672.20x = 1,543,254.66 × 429,299.95
  4. Step 4: Simplify right side
    1,028,672.20x = 662,519,148,375.27
  5. Step 5: Solve for x
    x = 662,519,148,375.27/1,028,672.20
  6. Step 6: Final answer
    x = 644,052.74

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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.