Home / 1,119,816.88-1,680,421.92-454,968.88

Finding the Fourth Proportional to 1,119,816.88, 1,680,421.92 and 454,968.88

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Solution

The fourth proportional to 1,119,816.88, 1,680,421.92 and 454,968.88 is: 682,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,816.88 : 1,680,421.92 = 454,968.88 : x
  2. Step 2: Convert to fraction form
    1,119,816.88/1,680,421.92 = 454,968.88/x
  3. Step 3: Cross multiply
    1,119,816.88x = 1,680,421.92 × 454,968.88
  4. Step 4: Simplify right side
    1,119,816.88x = 764,539,678,869.85
  5. Step 5: Solve for x
    x = 764,539,678,869.85/1,119,816.88
  6. Step 6: Final answer
    x = 682,736.34

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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.