Home / 1,120,629.78-1,544,249.61-797,434.38

Finding the Fourth Proportional to 1,120,629.78, 1,544,249.61 and 797,434.38

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Solution

The fourth proportional to 1,120,629.78, 1,544,249.61 and 797,434.38 is: 1,098,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,629.78 : 1,544,249.61 = 797,434.38 : x
  2. Step 2: Convert to fraction form
    1,120,629.78/1,544,249.61 = 797,434.38/x
  3. Step 3: Cross multiply
    1,120,629.78x = 1,544,249.61 × 797,434.38
  4. Step 4: Simplify right side
    1,120,629.78x = 1,231,437,730,315.59
  5. Step 5: Solve for x
    x = 1,231,437,730,315.59/1,120,629.78
  6. Step 6: Final answer
    x = 1,098,880.07

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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.