Home / 1,119,195.80-1,679,449.80-409,295.60

Finding the Fourth Proportional to 1,119,195.80, 1,679,449.80 and 409,295.60

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Solution

The fourth proportional to 1,119,195.80, 1,679,449.80 and 409,295.60 is: 614,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,195.80 : 1,679,449.80 = 409,295.60 : x
  2. Step 2: Convert to fraction form
    1,119,195.80/1,679,449.80 = 409,295.60/x
  3. Step 3: Cross multiply
    1,119,195.80x = 1,679,449.80 × 409,295.60
  4. Step 4: Simplify right side
    1,119,195.80x = 687,391,413,560.88
  5. Step 5: Solve for x
    x = 687,391,413,560.88/1,119,195.80
  6. Step 6: Final answer
    x = 614,183.34

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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.