Home / 1,206,072.38-1,808,724.89-396,270.12

Finding the Fourth Proportional to 1,206,072.38, 1,808,724.89 and 396,270.12

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Solution

The fourth proportional to 1,206,072.38, 1,808,724.89 and 396,270.12 is: 594,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,072.38 : 1,808,724.89 = 396,270.12 : x
  2. Step 2: Convert to fraction form
    1,206,072.38/1,808,724.89 = 396,270.12/x
  3. Step 3: Cross multiply
    1,206,072.38x = 1,808,724.89 × 396,270.12
  4. Step 4: Simplify right side
    1,206,072.38x = 716,743,634,751.66
  5. Step 5: Solve for x
    x = 716,743,634,751.66/1,206,072.38
  6. Step 6: Final answer
    x = 594,279.12

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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.