Home / 1,255,034.55-1,731,959.11-682,076.09

Finding the Fourth Proportional to 1,255,034.55, 1,731,959.11 and 682,076.09

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Solution

The fourth proportional to 1,255,034.55, 1,731,959.11 and 682,076.09 is: 941,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,034.55 : 1,731,959.11 = 682,076.09 : x
  2. Step 2: Convert to fraction form
    1,255,034.55/1,731,959.11 = 682,076.09/x
  3. Step 3: Cross multiply
    1,255,034.55x = 1,731,959.11 × 682,076.09
  4. Step 4: Simplify right side
    1,255,034.55x = 1,181,327,902,971.24
  5. Step 5: Solve for x
    x = 1,181,327,902,971.24/1,255,034.55
  6. Step 6: Final answer
    x = 941,271.22

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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.