Home / 1,018,425.38-1,525,310.94-486,319.10

Finding the Fourth Proportional to 1,018,425.38, 1,525,310.94 and 486,319.10

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Solution

The fourth proportional to 1,018,425.38, 1,525,310.94 and 486,319.10 is: 728,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,425.38 : 1,525,310.94 = 486,319.10 : x
  2. Step 2: Convert to fraction form
    1,018,425.38/1,525,310.94 = 486,319.10/x
  3. Step 3: Cross multiply
    1,018,425.38x = 1,525,310.94 × 486,319.10
  4. Step 4: Simplify right side
    1,018,425.38x = 741,787,843,560.95
  5. Step 5: Solve for x
    x = 741,787,843,560.95/1,018,425.38
  6. Step 6: Final answer
    x = 728,367.40

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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.