Home / 1,003,781.57-1,505,673.31-825,914.68

Finding the Fourth Proportional to 1,003,781.57, 1,505,673.31 and 825,914.68

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Solution

The fourth proportional to 1,003,781.57, 1,505,673.31 and 825,914.68 is: 1,238,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,781.57 : 1,505,673.31 = 825,914.68 : x
  2. Step 2: Convert to fraction form
    1,003,781.57/1,505,673.31 = 825,914.68/x
  3. Step 3: Cross multiply
    1,003,781.57x = 1,505,673.31 × 825,914.68
  4. Step 4: Simplify right side
    1,003,781.57x = 1,243,557,685,732.81
  5. Step 5: Solve for x
    x = 1,243,557,685,732.81/1,003,781.57
  6. Step 6: Final answer
    x = 1,238,872.81

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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.