Home / 1,291,220.92-1,936,841.10-449,771.32

Finding the Fourth Proportional to 1,291,220.92, 1,936,841.10 and 449,771.32

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Solution

The fourth proportional to 1,291,220.92, 1,936,841.10 and 449,771.32 is: 674,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,220.92 : 1,936,841.10 = 449,771.32 : x
  2. Step 2: Convert to fraction form
    1,291,220.92/1,936,841.10 = 449,771.32/x
  3. Step 3: Cross multiply
    1,291,220.92x = 1,936,841.10 × 449,771.32
  4. Step 4: Simplify right side
    1,291,220.92x = 871,135,578,177.25
  5. Step 5: Solve for x
    x = 871,135,578,177.25/1,291,220.92
  6. Step 6: Final answer
    x = 674,660.37

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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.