Home / 1,452,380.16-2,004,144.21-840,410.85

Finding the Fourth Proportional to 1,452,380.16, 2,004,144.21 and 840,410.85

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Solution

The fourth proportional to 1,452,380.16, 2,004,144.21 and 840,410.85 is: 1,159,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,380.16 : 2,004,144.21 = 840,410.85 : x
  2. Step 2: Convert to fraction form
    1,452,380.16/2,004,144.21 = 840,410.85/x
  3. Step 3: Cross multiply
    1,452,380.16x = 2,004,144.21 × 840,410.85
  4. Step 4: Simplify right side
    1,452,380.16x = 1,684,304,539,048.68
  5. Step 5: Solve for x
    x = 1,684,304,539,048.68/1,452,380.16
  6. Step 6: Final answer
    x = 1,159,685.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.