Home / 1,112,340.38-1,667,920.07-512,993.03

Finding the Fourth Proportional to 1,112,340.38, 1,667,920.07 and 512,993.03

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Solution

The fourth proportional to 1,112,340.38, 1,667,920.07 and 512,993.03 is: 769,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,340.38 : 1,667,920.07 = 512,993.03 : x
  2. Step 2: Convert to fraction form
    1,112,340.38/1,667,920.07 = 512,993.03/x
  3. Step 3: Cross multiply
    1,112,340.38x = 1,667,920.07 × 512,993.03
  4. Step 4: Simplify right side
    1,112,340.38x = 855,631,363,449.99
  5. Step 5: Solve for x
    x = 855,631,363,449.99/1,112,340.38
  6. Step 6: Final answer
    x = 769,217.21

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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.