Home / 1,119,806.38-1,680,406.17-454,958.38

Finding the Fourth Proportional to 1,119,806.38, 1,680,406.17 and 454,958.38

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Solution

The fourth proportional to 1,119,806.38, 1,680,406.17 and 454,958.38 is: 682,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,806.38 : 1,680,406.17 = 454,958.38 : x
  2. Step 2: Convert to fraction form
    1,119,806.38/1,680,406.17 = 454,958.38/x
  3. Step 3: Cross multiply
    1,119,806.38x = 1,680,406.17 × 454,958.38
  4. Step 4: Simplify right side
    1,119,806.38x = 764,514,868,845.21
  5. Step 5: Solve for x
    x = 764,514,868,845.21/1,119,806.38
  6. Step 6: Final answer
    x = 682,720.59

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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.