Home / 1,107,350.20-1,661,025.30-547,478.20

Finding the Fourth Proportional to 1,107,350.20, 1,661,025.30 and 547,478.20

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Solution

The fourth proportional to 1,107,350.20, 1,661,025.30 and 547,478.20 is: 821,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,350.20 : 1,661,025.30 = 547,478.20 : x
  2. Step 2: Convert to fraction form
    1,107,350.20/1,661,025.30 = 547,478.20/x
  3. Step 3: Cross multiply
    1,107,350.20x = 1,661,025.30 × 547,478.20
  4. Step 4: Simplify right side
    1,107,350.20x = 909,375,141,398.46
  5. Step 5: Solve for x
    x = 909,375,141,398.46/1,107,350.20
  6. Step 6: Final answer
    x = 821,217.30

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Double scale
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Similar ratio
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1.5x scale

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.