Home / 1,229,229.02-1,696,212.42-685,314.02

Finding the Fourth Proportional to 1,229,229.02, 1,696,212.42 and 685,314.02

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Solution

The fourth proportional to 1,229,229.02, 1,696,212.42 and 685,314.02 is: 945,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,229.02 : 1,696,212.42 = 685,314.02 : x
  2. Step 2: Convert to fraction form
    1,229,229.02/1,696,212.42 = 685,314.02/x
  3. Step 3: Cross multiply
    1,229,229.02x = 1,696,212.42 × 685,314.02
  4. Step 4: Simplify right side
    1,229,229.02x = 1,162,438,152,324.13
  5. Step 5: Solve for x
    x = 1,162,438,152,324.13/1,229,229.02
  6. Step 6: Final answer
    x = 945,664.42

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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.