Home / 1,243,247.38-1,715,678.92-699,383.59

Finding the Fourth Proportional to 1,243,247.38, 1,715,678.92 and 699,383.59

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Solution

The fourth proportional to 1,243,247.38, 1,715,678.92 and 699,383.59 is: 965,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,247.38 : 1,715,678.92 = 699,383.59 : x
  2. Step 2: Convert to fraction form
    1,243,247.38/1,715,678.92 = 699,383.59/x
  3. Step 3: Cross multiply
    1,243,247.38x = 1,715,678.92 × 699,383.59
  4. Step 4: Simplify right side
    1,243,247.38x = 1,199,917,682,356.92
  5. Step 5: Solve for x
    x = 1,199,917,682,356.92/1,243,247.38
  6. Step 6: Final answer
    x = 965,147.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.