Home / 1,000,140.28-1,380,182.81-541,244.70

Finding the Fourth Proportional to 1,000,140.28, 1,380,182.81 and 541,244.70

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Solution

The fourth proportional to 1,000,140.28, 1,380,182.81 and 541,244.70 is: 746,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,140.28 : 1,380,182.81 = 541,244.70 : x
  2. Step 2: Convert to fraction form
    1,000,140.28/1,380,182.81 = 541,244.70/x
  3. Step 3: Cross multiply
    1,000,140.28x = 1,380,182.81 × 541,244.70
  4. Step 4: Simplify right side
    1,000,140.28x = 747,016,628,237.38
  5. Step 5: Solve for x
    x = 747,016,628,237.38/1,000,140.28
  6. Step 6: Final answer
    x = 746,911.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.