Home / 1,255,645.07-1,732,781.43-682,685.24

Finding the Fourth Proportional to 1,255,645.07, 1,732,781.43 and 682,685.24

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Solution

The fourth proportional to 1,255,645.07, 1,732,781.43 and 682,685.24 is: 942,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,645.07 : 1,732,781.43 = 682,685.24 : x
  2. Step 2: Convert to fraction form
    1,255,645.07/1,732,781.43 = 682,685.24/x
  3. Step 3: Cross multiply
    1,255,645.07x = 1,732,781.43 × 682,685.24
  4. Step 4: Simplify right side
    1,255,645.07x = 1,182,944,297,743.19
  5. Step 5: Solve for x
    x = 1,182,944,297,743.19/1,255,645.07
  6. Step 6: Final answer
    x = 942,100.86

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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.