Home / 1,098,843.30-1,648,556.55-388,797.30

Finding the Fourth Proportional to 1,098,843.30, 1,648,556.55 and 388,797.30

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Solution

The fourth proportional to 1,098,843.30, 1,648,556.55 and 388,797.30 is: 583,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,843.30 : 1,648,556.55 = 388,797.30 : x
  2. Step 2: Convert to fraction form
    1,098,843.30/1,648,556.55 = 388,797.30/x
  3. Step 3: Cross multiply
    1,098,843.30x = 1,648,556.55 × 388,797.30
  4. Step 4: Simplify right side
    1,098,843.30x = 640,954,335,537.32
  5. Step 5: Solve for x
    x = 640,954,335,537.32/1,098,843.30
  6. Step 6: Final answer
    x = 583,299.13

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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.