Home / 1,107,591.38-1,661,363.22-308,851.64

Finding the Fourth Proportional to 1,107,591.38, 1,661,363.22 and 308,851.64

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Solution

The fourth proportional to 1,107,591.38, 1,661,363.22 and 308,851.64 is: 463,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,591.38 : 1,661,363.22 = 308,851.64 : x
  2. Step 2: Convert to fraction form
    1,107,591.38/1,661,363.22 = 308,851.64/x
  3. Step 3: Cross multiply
    1,107,591.38x = 1,661,363.22 × 308,851.64
  4. Step 4: Simplify right side
    1,107,591.38x = 513,114,755,132.68
  5. Step 5: Solve for x
    x = 513,114,755,132.68/1,107,591.38
  6. Step 6: Final answer
    x = 463,270.81

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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.