Home / 1,400,546.30-2,100,819.45-403,375.10

Finding the Fourth Proportional to 1,400,546.30, 2,100,819.45 and 403,375.10

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Solution

The fourth proportional to 1,400,546.30, 2,100,819.45 and 403,375.10 is: 605,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,546.30 : 2,100,819.45 = 403,375.10 : x
  2. Step 2: Convert to fraction form
    1,400,546.30/2,100,819.45 = 403,375.10/x
  3. Step 3: Cross multiply
    1,400,546.30x = 2,100,819.45 × 403,375.10
  4. Step 4: Simplify right side
    1,400,546.30x = 847,418,255,725.70
  5. Step 5: Solve for x
    x = 847,418,255,725.70/1,400,546.30
  6. Step 6: Final answer
    x = 605,062.65

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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.