Home / 1,198,850.31-1,798,233.99-300,299.79

Finding the Fourth Proportional to 1,198,850.31, 1,798,233.99 and 300,299.79

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Solution

The fourth proportional to 1,198,850.31, 1,798,233.99 and 300,299.79 is: 450,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,850.31 : 1,798,233.99 = 300,299.79 : x
  2. Step 2: Convert to fraction form
    1,198,850.31/1,798,233.99 = 300,299.79/x
  3. Step 3: Cross multiply
    1,198,850.31x = 1,798,233.99 × 300,299.79
  4. Step 4: Simplify right side
    1,198,850.31x = 540,009,289,567.86
  5. Step 5: Solve for x
    x = 540,009,289,567.86/1,198,850.31
  6. Step 6: Final answer
    x = 450,439.30

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1.5x scale

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.