Home / 1,273,330.71-1,757,161.89-722,147.58

Finding the Fourth Proportional to 1,273,330.71, 1,757,161.89 and 722,147.58

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Solution

The fourth proportional to 1,273,330.71, 1,757,161.89 and 722,147.58 is: 996,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,330.71 : 1,757,161.89 = 722,147.58 : x
  2. Step 2: Convert to fraction form
    1,273,330.71/1,757,161.89 = 722,147.58/x
  3. Step 3: Cross multiply
    1,273,330.71x = 1,757,161.89 × 722,147.58
  4. Step 4: Simplify right side
    1,273,330.71x = 1,268,930,206,531.73
  5. Step 5: Solve for x
    x = 1,268,930,206,531.73/1,273,330.71
  6. Step 6: Final answer
    x = 996,544.10

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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.