Home / 1,217,481.39-1,826,471.17-418,659.19

Finding the Fourth Proportional to 1,217,481.39, 1,826,471.17 and 418,659.19

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Solution

The fourth proportional to 1,217,481.39, 1,826,471.17 and 418,659.19 is: 628,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,481.39 : 1,826,471.17 = 418,659.19 : x
  2. Step 2: Convert to fraction form
    1,217,481.39/1,826,471.17 = 418,659.19/x
  3. Step 3: Cross multiply
    1,217,481.39x = 1,826,471.17 × 418,659.19
  4. Step 4: Simplify right side
    1,217,481.39x = 764,668,940,507.17
  5. Step 5: Solve for x
    x = 764,668,940,507.17/1,217,481.39
  6. Step 6: Final answer
    x = 628,074.44

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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.