Home / 1,522,680.84-2,100,348.12-979,524

Finding the Fourth Proportional to 1,522,680.84, 2,100,348.12 and 979,524

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Solution

The fourth proportional to 1,522,680.84, 2,100,348.12 and 979,524 is: 1,351,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,680.84 : 2,100,348.12 = 979,524 : x
  2. Step 2: Convert to fraction form
    1,522,680.84/2,100,348.12 = 979,524/x
  3. Step 3: Cross multiply
    1,522,680.84x = 2,100,348.12 × 979,524
  4. Step 4: Simplify right side
    1,522,680.84x = 2,057,341,391,894.88
  5. Step 5: Solve for x
    x = 2,057,341,391,894.88/1,522,680.84
  6. Step 6: Final answer
    x = 1,351,131.07

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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.