Home / 1,219,255.67-1,682,551.75-675,380.06

Finding the Fourth Proportional to 1,219,255.67, 1,682,551.75 and 675,380.06

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Solution

The fourth proportional to 1,219,255.67, 1,682,551.75 and 675,380.06 is: 932,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,255.67 : 1,682,551.75 = 675,380.06 : x
  2. Step 2: Convert to fraction form
    1,219,255.67/1,682,551.75 = 675,380.06/x
  3. Step 3: Cross multiply
    1,219,255.67x = 1,682,551.75 × 675,380.06
  4. Step 4: Simplify right side
    1,219,255.67x = 1,136,361,901,868.11
  5. Step 5: Solve for x
    x = 1,136,361,901,868.11/1,219,255.67
  6. Step 6: Final answer
    x = 932,012.81

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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.