Home / 1,261,932.70-1,741,458.03-688,972.87

Finding the Fourth Proportional to 1,261,932.70, 1,741,458.03 and 688,972.87

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Solution

The fourth proportional to 1,261,932.70, 1,741,458.03 and 688,972.87 is: 950,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,932.70 : 1,741,458.03 = 688,972.87 : x
  2. Step 2: Convert to fraction form
    1,261,932.70/1,741,458.03 = 688,972.87/x
  3. Step 3: Cross multiply
    1,261,932.70x = 1,741,458.03 × 688,972.87
  4. Step 4: Simplify right side
    1,261,932.70x = 1,199,817,333,468.78
  5. Step 5: Solve for x
    x = 1,199,817,333,468.78/1,261,932.70
  6. Step 6: Final answer
    x = 950,777.60

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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.