Home / 1,008,081.05-1,512,121.58-447,115.55

Finding the Fourth Proportional to 1,008,081.05, 1,512,121.58 and 447,115.55

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Solution

The fourth proportional to 1,008,081.05, 1,512,121.58 and 447,115.55 is: 670,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,081.05 : 1,512,121.58 = 447,115.55 : x
  2. Step 2: Convert to fraction form
    1,008,081.05/1,512,121.58 = 447,115.55/x
  3. Step 3: Cross multiply
    1,008,081.05x = 1,512,121.58 × 447,115.55
  4. Step 4: Simplify right side
    1,008,081.05x = 676,093,069,672.99
  5. Step 5: Solve for x
    x = 676,093,069,672.99/1,008,081.05
  6. Step 6: Final answer
    x = 670,673.33

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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.