Home / 1,149,922.78-1,722,977.31-699,280.49

Finding the Fourth Proportional to 1,149,922.78, 1,722,977.31 and 699,280.49

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Solution

The fourth proportional to 1,149,922.78, 1,722,977.31 and 699,280.49 is: 1,047,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,922.78 : 1,722,977.31 = 699,280.49 : x
  2. Step 2: Convert to fraction form
    1,149,922.78/1,722,977.31 = 699,280.49/x
  3. Step 3: Cross multiply
    1,149,922.78x = 1,722,977.31 × 699,280.49
  4. Step 4: Simplify right side
    1,149,922.78x = 1,204,844,424,525.43
  5. Step 5: Solve for x
    x = 1,204,844,424,525.43/1,149,922.78
  6. Step 6: Final answer
    x = 1,047,761.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.