Home / 1,361,380.28-2,042,082.09-388,742.04

Finding the Fourth Proportional to 1,361,380.28, 2,042,082.09 and 388,742.04

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Solution

The fourth proportional to 1,361,380.28, 2,042,082.09 and 388,742.04 is: 583,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,380.28 : 2,042,082.09 = 388,742.04 : x
  2. Step 2: Convert to fraction form
    1,361,380.28/2,042,082.09 = 388,742.04/x
  3. Step 3: Cross multiply
    1,361,380.28x = 2,042,082.09 × 388,742.04
  4. Step 4: Simplify right side
    1,361,380.28x = 793,843,155,570.35
  5. Step 5: Solve for x
    x = 793,843,155,570.35/1,361,380.28
  6. Step 6: Final answer
    x = 583,116.39

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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.