Home / 1,743,391.31-2,615,113.20-663,963.53

Finding the Fourth Proportional to 1,743,391.31, 2,615,113.20 and 663,963.53

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Solution

The fourth proportional to 1,743,391.31, 2,615,113.20 and 663,963.53 is: 995,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743,391.31 : 2,615,113.20 = 663,963.53 : x
  2. Step 2: Convert to fraction form
    1,743,391.31/2,615,113.20 = 663,963.53/x
  3. Step 3: Cross multiply
    1,743,391.31x = 2,615,113.20 × 663,963.53
  4. Step 4: Simplify right side
    1,743,391.31x = 1,736,339,778,546.03
  5. Step 5: Solve for x
    x = 1,736,339,778,546.03/1,743,391.31
  6. Step 6: Final answer
    x = 995,955.28

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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.