Home / 1,842,380.82-2,763,571.23-719,662.50

Finding the Fourth Proportional to 1,842,380.82, 2,763,571.23 and 719,662.50

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Solution

The fourth proportional to 1,842,380.82, 2,763,571.23 and 719,662.50 is: 1,079,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,380.82 : 2,763,571.23 = 719,662.50 : x
  2. Step 2: Convert to fraction form
    1,842,380.82/2,763,571.23 = 719,662.50/x
  3. Step 3: Cross multiply
    1,842,380.82x = 2,763,571.23 × 719,662.50
  4. Step 4: Simplify right side
    1,842,380.82x = 1,988,838,580,309.88
  5. Step 5: Solve for x
    x = 1,988,838,580,309.88/1,842,380.82
  6. Step 6: Final answer
    x = 1,079,493.75

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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.