Home / 1,532,521.70-2,299,025.55-521,738.90

Finding the Fourth Proportional to 1,532,521.70, 2,299,025.55 and 521,738.90

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Solution

The fourth proportional to 1,532,521.70, 2,299,025.55 and 521,738.90 is: 782,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,521.70 : 2,299,025.55 = 521,738.90 : x
  2. Step 2: Convert to fraction form
    1,532,521.70/2,299,025.55 = 521,738.90/x
  3. Step 3: Cross multiply
    1,532,521.70x = 2,299,025.55 × 521,738.90
  4. Step 4: Simplify right side
    1,532,521.70x = 1,199,491,061,528.90
  5. Step 5: Solve for x
    x = 1,199,491,061,528.90/1,532,521.70
  6. Step 6: Final answer
    x = 782,691.08

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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.