Home / 1,255,163.30-1,732,142.89-682,203.30

Finding the Fourth Proportional to 1,255,163.30, 1,732,142.89 and 682,203.30

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Solution

The fourth proportional to 1,255,163.30, 1,732,142.89 and 682,203.30 is: 941,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,163.30 : 1,732,142.89 = 682,203.30 : x
  2. Step 2: Convert to fraction form
    1,255,163.30/1,732,142.89 = 682,203.30/x
  3. Step 3: Cross multiply
    1,255,163.30x = 1,732,142.89 × 682,203.30
  4. Step 4: Simplify right side
    1,255,163.30x = 1,181,673,595,629.54
  5. Step 5: Solve for x
    x = 1,181,673,595,629.54/1,255,163.30
  6. Step 6: Final answer
    x = 941,450.09

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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.