Home / 1,383,729.58-2,076,193.77-743,286.02

Finding the Fourth Proportional to 1,383,729.58, 2,076,193.77 and 743,286.02

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Solution

The fourth proportional to 1,383,729.58, 2,076,193.77 and 743,286.02 is: 1,115,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,729.58 : 2,076,193.77 = 743,286.02 : x
  2. Step 2: Convert to fraction form
    1,383,729.58/2,076,193.77 = 743,286.02/x
  3. Step 3: Cross multiply
    1,383,729.58x = 2,076,193.77 × 743,286.02
  4. Step 4: Simplify right side
    1,383,729.58x = 1,543,205,806,743.38
  5. Step 5: Solve for x
    x = 1,543,205,806,743.38/1,383,729.58
  6. Step 6: Final answer
    x = 1,115,251.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.