Home / 1,002,671.44-1,383,996.36-644,975.44

Finding the Fourth Proportional to 1,002,671.44, 1,383,996.36 and 644,975.44

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Solution

The fourth proportional to 1,002,671.44, 1,383,996.36 and 644,975.44 is: 890,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,671.44 : 1,383,996.36 = 644,975.44 : x
  2. Step 2: Convert to fraction form
    1,002,671.44/1,383,996.36 = 644,975.44/x
  3. Step 3: Cross multiply
    1,002,671.44x = 1,383,996.36 × 644,975.44
  4. Step 4: Simplify right side
    1,002,671.44x = 892,643,661,249.40
  5. Step 5: Solve for x
    x = 892,643,661,249.40/1,002,671.44
  6. Step 6: Final answer
    x = 890,265.37

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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.