Home / 1,107,414.20-1,661,121.30-547,542.20

Finding the Fourth Proportional to 1,107,414.20, 1,661,121.30 and 547,542.20

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Solution

The fourth proportional to 1,107,414.20, 1,661,121.30 and 547,542.20 is: 821,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,414.20 : 1,661,121.30 = 547,542.20 : x
  2. Step 2: Convert to fraction form
    1,107,414.20/1,661,121.30 = 547,542.20/x
  3. Step 3: Cross multiply
    1,107,414.20x = 1,661,121.30 × 547,542.20
  4. Step 4: Simplify right side
    1,107,414.20x = 909,534,011,068.86
  5. Step 5: Solve for x
    x = 909,534,011,068.86/1,107,414.20
  6. Step 6: Final answer
    x = 821,313.30

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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.