Home / 1,295,279.10-1,943,064.45-396,713.70

Finding the Fourth Proportional to 1,295,279.10, 1,943,064.45 and 396,713.70

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Solution

The fourth proportional to 1,295,279.10, 1,943,064.45 and 396,713.70 is: 595,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,279.10 : 1,943,064.45 = 396,713.70 : x
  2. Step 2: Convert to fraction form
    1,295,279.10/1,943,064.45 = 396,713.70/x
  3. Step 3: Cross multiply
    1,295,279.10x = 1,943,064.45 × 396,713.70
  4. Step 4: Simplify right side
    1,295,279.10x = 770,840,287,297.97
  5. Step 5: Solve for x
    x = 770,840,287,297.97/1,295,279.10
  6. Step 6: Final answer
    x = 595,115.21

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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.