Home / 1,961,455.80-2,942,183.70-699,324.60

Finding the Fourth Proportional to 1,961,455.80, 2,942,183.70 and 699,324.60

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Solution

The fourth proportional to 1,961,455.80, 2,942,183.70 and 699,324.60 is: 1,048,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,455.80 : 2,942,183.70 = 699,324.60 : x
  2. Step 2: Convert to fraction form
    1,961,455.80/2,942,183.70 = 699,324.60/x
  3. Step 3: Cross multiply
    1,961,455.80x = 2,942,183.70 × 699,324.60
  4. Step 4: Simplify right side
    1,961,455.80x = 2,057,541,439,129.02
  5. Step 5: Solve for x
    x = 2,057,541,439,129.02/1,961,455.80
  6. Step 6: Final answer
    x = 1,048,986.90

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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.