Home / 1,002,643.94-1,383,639.22-543,768.64

Finding the Fourth Proportional to 1,002,643.94, 1,383,639.22 and 543,768.64

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Solution

The fourth proportional to 1,002,643.94, 1,383,639.22 and 543,768.64 is: 750,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,643.94 : 1,383,639.22 = 543,768.64 : x
  2. Step 2: Convert to fraction form
    1,002,643.94/1,383,639.22 = 543,768.64/x
  3. Step 3: Cross multiply
    1,002,643.94x = 1,383,639.22 × 543,768.64
  4. Step 4: Simplify right side
    1,002,643.94x = 752,379,612,091.54
  5. Step 5: Solve for x
    x = 752,379,612,091.54/1,002,643.94
  6. Step 6: Final answer
    x = 750,395.61

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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.