Home / 1,255,100.86-1,732,028.83-682,144.53

Finding the Fourth Proportional to 1,255,100.86, 1,732,028.83 and 682,144.53

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Solution

The fourth proportional to 1,255,100.86, 1,732,028.83 and 682,144.53 is: 941,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,100.86 : 1,732,028.83 = 682,144.53 : x
  2. Step 2: Convert to fraction form
    1,255,100.86/1,732,028.83 = 682,144.53/x
  3. Step 3: Cross multiply
    1,255,100.86x = 1,732,028.83 × 682,144.53
  4. Step 4: Simplify right side
    1,255,100.86x = 1,181,493,992,186.80
  5. Step 5: Solve for x
    x = 1,181,493,992,186.80/1,255,100.86
  6. Step 6: Final answer
    x = 941,353.82

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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.