Home / 1,334,917.10-2,002,469.05-660,817.40

Finding the Fourth Proportional to 1,334,917.10, 2,002,469.05 and 660,817.40

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Solution

The fourth proportional to 1,334,917.10, 2,002,469.05 and 660,817.40 is: 991,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,917.10 : 2,002,469.05 = 660,817.40 : x
  2. Step 2: Convert to fraction form
    1,334,917.10/2,002,469.05 = 660,817.40/x
  3. Step 3: Cross multiply
    1,334,917.10x = 2,002,469.05 × 660,817.40
  4. Step 4: Simplify right side
    1,334,917.10x = 1,323,266,391,201.47
  5. Step 5: Solve for x
    x = 1,323,266,391,201.47/1,334,917.10
  6. Step 6: Final answer
    x = 991,272.34

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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.