Home / 1,264,851.96-1,745,472.78-691,887.12

Finding the Fourth Proportional to 1,264,851.96, 1,745,472.78 and 691,887.12

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Solution

The fourth proportional to 1,264,851.96, 1,745,472.78 and 691,887.12 is: 954,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,851.96 : 1,745,472.78 = 691,887.12 : x
  2. Step 2: Convert to fraction form
    1,264,851.96/1,745,472.78 = 691,887.12/x
  3. Step 3: Cross multiply
    1,264,851.96x = 1,745,472.78 × 691,887.12
  4. Step 4: Simplify right side
    1,264,851.96x = 1,207,670,134,792.59
  5. Step 5: Solve for x
    x = 1,207,670,134,792.59/1,264,851.96
  6. Step 6: Final answer
    x = 954,791.69

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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.