Home / 1,786,725.29-2,680,588.21-722,514.69

Finding the Fourth Proportional to 1,786,725.29, 2,680,588.21 and 722,514.69

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Solution

The fourth proportional to 1,786,725.29, 2,680,588.21 and 722,514.69 is: 1,083,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,725.29 : 2,680,588.21 = 722,514.69 : x
  2. Step 2: Convert to fraction form
    1,786,725.29/2,680,588.21 = 722,514.69/x
  3. Step 3: Cross multiply
    1,786,725.29x = 2,680,588.21 × 722,514.69
  4. Step 4: Simplify right side
    1,786,725.29x = 1,936,764,357,759.52
  5. Step 5: Solve for x
    x = 1,936,764,357,759.52/1,786,725.29
  6. Step 6: Final answer
    x = 1,083,974.33

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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.