Home / 1,323,380.72-1,984,002.37-513,346.90

Finding the Fourth Proportional to 1,323,380.72, 1,984,002.37 and 513,346.90

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Solution

The fourth proportional to 1,323,380.72, 1,984,002.37 and 513,346.90 is: 769,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,380.72 : 1,984,002.37 = 513,346.90 : x
  2. Step 2: Convert to fraction form
    1,323,380.72/1,984,002.37 = 513,346.90/x
  3. Step 3: Cross multiply
    1,323,380.72x = 1,984,002.37 × 513,346.90
  4. Step 4: Simplify right side
    1,323,380.72x = 1,018,481,466,232.15
  5. Step 5: Solve for x
    x = 1,018,481,466,232.15/1,323,380.72
  6. Step 6: Final answer
    x = 769,605.79

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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.