Home / 1,261,917.27-1,741,436.82-688,957.43

Finding the Fourth Proportional to 1,261,917.27, 1,741,436.82 and 688,957.43

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Solution

The fourth proportional to 1,261,917.27, 1,741,436.82 and 688,957.43 is: 950,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,917.27 : 1,741,436.82 = 688,957.43 : x
  2. Step 2: Convert to fraction form
    1,261,917.27/1,741,436.82 = 688,957.43/x
  3. Step 3: Cross multiply
    1,261,917.27x = 1,741,436.82 × 688,957.43
  4. Step 4: Simplify right side
    1,261,917.27x = 1,199,775,827,307.39
  5. Step 5: Solve for x
    x = 1,199,775,827,307.39/1,261,917.27
  6. Step 6: Final answer
    x = 950,756.33

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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.