Home / 1,283,321.88-1,770,550.38-739,443.60

Finding the Fourth Proportional to 1,283,321.88, 1,770,550.38 and 739,443.60

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Solution

The fourth proportional to 1,283,321.88, 1,770,550.38 and 739,443.60 is: 1,020,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,321.88 : 1,770,550.38 = 739,443.60 : x
  2. Step 2: Convert to fraction form
    1,283,321.88/1,770,550.38 = 739,443.60/x
  3. Step 3: Cross multiply
    1,283,321.88x = 1,770,550.38 × 739,443.60
  4. Step 4: Simplify right side
    1,283,321.88x = 1,309,222,146,968.57
  5. Step 5: Solve for x
    x = 1,309,222,146,968.57/1,283,321.88
  6. Step 6: Final answer
    x = 1,020,182.21

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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.