Home / 1,111,137.73-1,666,694.45-269,689.48

Finding the Fourth Proportional to 1,111,137.73, 1,666,694.45 and 269,689.48

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Solution

The fourth proportional to 1,111,137.73, 1,666,694.45 and 269,689.48 is: 404,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,137.73 : 1,666,694.45 = 269,689.48 : x
  2. Step 2: Convert to fraction form
    1,111,137.73/1,666,694.45 = 269,689.48/x
  3. Step 3: Cross multiply
    1,111,137.73x = 1,666,694.45 × 269,689.48
  4. Step 4: Simplify right side
    1,111,137.73x = 449,489,964,663.53
  5. Step 5: Solve for x
    x = 449,489,964,663.53/1,111,137.73
  6. Step 6: Final answer
    x = 404,531.28

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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.