Home / 1,617,102.62-2,425,643.85-419,021.90

Finding the Fourth Proportional to 1,617,102.62, 2,425,643.85 and 419,021.90

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Solution

The fourth proportional to 1,617,102.62, 2,425,643.85 and 419,021.90 is: 628,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,102.62 : 2,425,643.85 = 419,021.90 : x
  2. Step 2: Convert to fraction form
    1,617,102.62/2,425,643.85 = 419,021.90/x
  3. Step 3: Cross multiply
    1,617,102.62x = 2,425,643.85 × 419,021.90
  4. Step 4: Simplify right side
    1,617,102.62x = 1,016,397,894,750.32
  5. Step 5: Solve for x
    x = 1,016,397,894,750.32/1,617,102.62
  6. Step 6: Final answer
    x = 628,530.24

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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.