Home / 1,295,616.80-1,943,425.20-1,138,152.80

Finding the Fourth Proportional to 1,295,616.80, 1,943,425.20 and 1,138,152.80

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Solution

The fourth proportional to 1,295,616.80, 1,943,425.20 and 1,138,152.80 is: 1,707,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,616.80 : 1,943,425.20 = 1,138,152.80 : x
  2. Step 2: Convert to fraction form
    1,295,616.80/1,943,425.20 = 1,138,152.80/x
  3. Step 3: Cross multiply
    1,295,616.80x = 1,943,425.20 × 1,138,152.80
  4. Step 4: Simplify right side
    1,295,616.80x = 2,211,914,832,970.56
  5. Step 5: Solve for x
    x = 2,211,914,832,970.56/1,295,616.80
  6. Step 6: Final answer
    x = 1,707,229.20

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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.