Home / 1,253,662.25-1,730,005.38-680,689.31

Finding the Fourth Proportional to 1,253,662.25, 1,730,005.38 and 680,689.31

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Solution

The fourth proportional to 1,253,662.25, 1,730,005.38 and 680,689.31 is: 939,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,662.25 : 1,730,005.38 = 680,689.31 : x
  2. Step 2: Convert to fraction form
    1,253,662.25/1,730,005.38 = 680,689.31/x
  3. Step 3: Cross multiply
    1,253,662.25x = 1,730,005.38 × 680,689.31
  4. Step 4: Simplify right side
    1,253,662.25x = 1,177,596,159,758.46
  5. Step 5: Solve for x
    x = 1,177,596,159,758.46/1,253,662.25
  6. Step 6: Final answer
    x = 939,324.90

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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.