Home / 1,198,856.87-1,798,243.84-300,306.35

Finding the Fourth Proportional to 1,198,856.87, 1,798,243.84 and 300,306.35

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Solution

The fourth proportional to 1,198,856.87, 1,798,243.84 and 300,306.35 is: 450,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,856.87 : 1,798,243.84 = 300,306.35 : x
  2. Step 2: Convert to fraction form
    1,198,856.87/1,798,243.84 = 300,306.35/x
  3. Step 3: Cross multiply
    1,198,856.87x = 1,798,243.84 × 300,306.35
  4. Step 4: Simplify right side
    1,198,856.87x = 540,024,048,871.38
  5. Step 5: Solve for x
    x = 540,024,048,871.38/1,198,856.87
  6. Step 6: Final answer
    x = 450,449.14

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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.