Home / 1,255,165.07-1,732,145.31-682,205.09

Finding the Fourth Proportional to 1,255,165.07, 1,732,145.31 and 682,205.09

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Solution

The fourth proportional to 1,255,165.07, 1,732,145.31 and 682,205.09 is: 941,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,165.07 : 1,732,145.31 = 682,205.09 : x
  2. Step 2: Convert to fraction form
    1,255,165.07/1,732,145.31 = 682,205.09/x
  3. Step 3: Cross multiply
    1,255,165.07x = 1,732,145.31 × 682,205.09
  4. Step 4: Simplify right side
    1,255,165.07x = 1,181,678,338,440.90
  5. Step 5: Solve for x
    x = 1,181,678,338,440.90/1,255,165.07
  6. Step 6: Final answer
    x = 941,452.54

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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.