Home / 1,002,079.70-1,503,119.55-254,125.70

Finding the Fourth Proportional to 1,002,079.70, 1,503,119.55 and 254,125.70

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Solution

The fourth proportional to 1,002,079.70, 1,503,119.55 and 254,125.70 is: 381,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,079.70 : 1,503,119.55 = 254,125.70 : x
  2. Step 2: Convert to fraction form
    1,002,079.70/1,503,119.55 = 254,125.70/x
  3. Step 3: Cross multiply
    1,002,079.70x = 1,503,119.55 × 254,125.70
  4. Step 4: Simplify right side
    1,002,079.70x = 381,981,307,827.44
  5. Step 5: Solve for x
    x = 381,981,307,827.44/1,002,079.70
  6. Step 6: Final answer
    x = 381,188.55

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Half scale
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Double scale
Find fourth proportional to 1,002,080.70, 1,503,121.05 and 254,126.70
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.