Home / 1,522,680.78-2,100,348.18-979,523.94

Finding the Fourth Proportional to 1,522,680.78, 2,100,348.18 and 979,523.94

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Solution

The fourth proportional to 1,522,680.78, 2,100,348.18 and 979,523.94 is: 1,351,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,680.78 : 2,100,348.18 = 979,523.94 : x
  2. Step 2: Convert to fraction form
    1,522,680.78/2,100,348.18 = 979,523.94/x
  3. Step 3: Cross multiply
    1,522,680.78x = 2,100,348.18 × 979,523.94
  4. Step 4: Simplify right side
    1,522,680.78x = 2,057,341,324,645.43
  5. Step 5: Solve for x
    x = 2,057,341,324,645.43/1,522,680.78
  6. Step 6: Final answer
    x = 1,351,131.08

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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.