Home / 1,229,689.44-1,696,974.48-685,860.48

Finding the Fourth Proportional to 1,229,689.44, 1,696,974.48 and 685,860.48

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Solution

The fourth proportional to 1,229,689.44, 1,696,974.48 and 685,860.48 is: 946,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,689.44 : 1,696,974.48 = 685,860.48 : x
  2. Step 2: Convert to fraction form
    1,229,689.44/1,696,974.48 = 685,860.48/x
  3. Step 3: Cross multiply
    1,229,689.44x = 1,696,974.48 × 685,860.48
  4. Step 4: Simplify right side
    1,229,689.44x = 1,163,887,731,400.55
  5. Step 5: Solve for x
    x = 1,163,887,731,400.55/1,229,689.44
  6. Step 6: Final answer
    x = 946,489.17

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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.