Home / 1,331,773.20-1,995,363.45-620,342.10

Finding the Fourth Proportional to 1,331,773.20, 1,995,363.45 and 620,342.10

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Solution

The fourth proportional to 1,331,773.20, 1,995,363.45 and 620,342.10 is: 929,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,773.20 : 1,995,363.45 = 620,342.10 : x
  2. Step 2: Convert to fraction form
    1,331,773.20/1,995,363.45 = 620,342.10/x
  3. Step 3: Cross multiply
    1,331,773.20x = 1,995,363.45 × 620,342.10
  4. Step 4: Simplify right side
    1,331,773.20x = 1,237,807,952,836.24
  5. Step 5: Solve for x
    x = 1,237,807,952,836.24/1,331,773.20
  6. Step 6: Final answer
    x = 929,443.51

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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.