Home / 1,435,489.38-1,981,020.11-823,754.16

Finding the Fourth Proportional to 1,435,489.38, 1,981,020.11 and 823,754.16

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Solution

The fourth proportional to 1,435,489.38, 1,981,020.11 and 823,754.16 is: 1,136,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,489.38 : 1,981,020.11 = 823,754.16 : x
  2. Step 2: Convert to fraction form
    1,435,489.38/1,981,020.11 = 823,754.16/x
  3. Step 3: Cross multiply
    1,435,489.38x = 1,981,020.11 × 823,754.16
  4. Step 4: Simplify right side
    1,435,489.38x = 1,631,873,552,537.39
  5. Step 5: Solve for x
    x = 1,631,873,552,537.39/1,435,489.38
  6. Step 6: Final answer
    x = 1,136,806.43

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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.