Home / 1,295,190.80-1,942,616.10-396,722.60

Finding the Fourth Proportional to 1,295,190.80, 1,942,616.10 and 396,722.60

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Solution

The fourth proportional to 1,295,190.80, 1,942,616.10 and 396,722.60 is: 595,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,190.80 : 1,942,616.10 = 396,722.60 : x
  2. Step 2: Convert to fraction form
    1,295,190.80/1,942,616.10 = 396,722.60/x
  3. Step 3: Cross multiply
    1,295,190.80x = 1,942,616.10 × 396,722.60
  4. Step 4: Simplify right side
    1,295,190.80x = 770,679,709,993.86
  5. Step 5: Solve for x
    x = 770,679,709,993.86/1,295,190.80
  6. Step 6: Final answer
    x = 595,031.80

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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.