Home / 1,255,079.20-1,732,020.24-682,119.84

Finding the Fourth Proportional to 1,255,079.20, 1,732,020.24 and 682,119.84

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Solution

The fourth proportional to 1,255,079.20, 1,732,020.24 and 682,119.84 is: 941,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,079.20 : 1,732,020.24 = 682,119.84 : x
  2. Step 2: Convert to fraction form
    1,255,079.20/1,732,020.24 = 682,119.84/x
  3. Step 3: Cross multiply
    1,255,079.20x = 1,732,020.24 × 682,119.84
  4. Step 4: Simplify right side
    1,255,079.20x = 1,181,445,368,985.56
  5. Step 5: Solve for x
    x = 1,181,445,368,985.56/1,255,079.20
  6. Step 6: Final answer
    x = 941,331.33

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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.