Home / 1,128,796.97-1,693,669.91-702,689.38

Finding the Fourth Proportional to 1,128,796.97, 1,693,669.91 and 702,689.38

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Solution

The fourth proportional to 1,128,796.97, 1,693,669.91 and 702,689.38 is: 1,054,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,796.97 : 1,693,669.91 = 702,689.38 : x
  2. Step 2: Convert to fraction form
    1,128,796.97/1,693,669.91 = 702,689.38/x
  3. Step 3: Cross multiply
    1,128,796.97x = 1,693,669.91 × 702,689.38
  4. Step 4: Simplify right side
    1,128,796.97x = 1,190,123,851,234.93
  5. Step 5: Solve for x
    x = 1,190,123,851,234.93/1,128,796.97
  6. Step 6: Final answer
    x = 1,054,329.42

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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.