Home / 1,323,334.20-1,984,425.30-613,126.20

Finding the Fourth Proportional to 1,323,334.20, 1,984,425.30 and 613,126.20

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Solution

The fourth proportional to 1,323,334.20, 1,984,425.30 and 613,126.20 is: 919,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,334.20 : 1,984,425.30 = 613,126.20 : x
  2. Step 2: Convert to fraction form
    1,323,334.20/1,984,425.30 = 613,126.20/x
  3. Step 3: Cross multiply
    1,323,334.20x = 1,984,425.30 × 613,126.20
  4. Step 4: Simplify right side
    1,323,334.20x = 1,216,703,143,372.86
  5. Step 5: Solve for x
    x = 1,216,703,143,372.86/1,323,334.20
  6. Step 6: Final answer
    x = 919,422.43

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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.