Home / 1,261,629.27-1,741,043.36-688,669.90

Finding the Fourth Proportional to 1,261,629.27, 1,741,043.36 and 688,669.90

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Solution

The fourth proportional to 1,261,629.27, 1,741,043.36 and 688,669.90 is: 950,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,629.27 : 1,741,043.36 = 688,669.90 : x
  2. Step 2: Convert to fraction form
    1,261,629.27/1,741,043.36 = 688,669.90/x
  3. Step 3: Cross multiply
    1,261,629.27x = 1,741,043.36 × 688,669.90
  4. Step 4: Simplify right side
    1,261,629.27x = 1,199,004,153,995.93
  5. Step 5: Solve for x
    x = 1,199,004,153,995.93/1,261,629.27
  6. Step 6: Final answer
    x = 950,361.71

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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.