Home / 1,243,249.38-1,715,681.68-699,385.60

Finding the Fourth Proportional to 1,243,249.38, 1,715,681.68 and 699,385.60

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Solution

The fourth proportional to 1,243,249.38, 1,715,681.68 and 699,385.60 is: 965,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,249.38 : 1,715,681.68 = 699,385.60 : x
  2. Step 2: Convert to fraction form
    1,243,249.38/1,715,681.68 = 699,385.60/x
  3. Step 3: Cross multiply
    1,243,249.38x = 1,715,681.68 × 699,385.60
  4. Step 4: Simplify right side
    1,243,249.38x = 1,199,923,061,175.81
  5. Step 5: Solve for x
    x = 1,199,923,061,175.81/1,243,249.38
  6. Step 6: Final answer
    x = 965,150.74

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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.