Home / 1,002,823.40-1,383,886.12-543,928.12

Finding the Fourth Proportional to 1,002,823.40, 1,383,886.12 and 543,928.12

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Solution

The fourth proportional to 1,002,823.40, 1,383,886.12 and 543,928.12 is: 750,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,823.40 : 1,383,886.12 = 543,928.12 : x
  2. Step 2: Convert to fraction form
    1,002,823.40/1,383,886.12 = 543,928.12/x
  3. Step 3: Cross multiply
    1,002,823.40x = 1,383,886.12 × 543,928.12
  4. Step 4: Simplify right side
    1,002,823.40x = 752,734,575,545.70
  5. Step 5: Solve for x
    x = 752,734,575,545.70/1,002,823.40
  6. Step 6: Final answer
    x = 750,615.29

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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.