Home / 1,264,904.97-1,745,571.16-691,945.15

Finding the Fourth Proportional to 1,264,904.97, 1,745,571.16 and 691,945.15

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Solution

The fourth proportional to 1,264,904.97, 1,745,571.16 and 691,945.15 is: 954,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,904.97 : 1,745,571.16 = 691,945.15 : x
  2. Step 2: Convert to fraction form
    1,264,904.97/1,745,571.16 = 691,945.15/x
  3. Step 3: Cross multiply
    1,264,904.97x = 1,745,571.16 × 691,945.15
  4. Step 4: Simplify right side
    1,264,904.97x = 1,207,839,498,141.87
  5. Step 5: Solve for x
    x = 1,207,839,498,141.87/1,264,904.97
  6. Step 6: Final answer
    x = 954,885.57

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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.