Home / 1,119,812.88-1,680,415.92-454,964.88

Finding the Fourth Proportional to 1,119,812.88, 1,680,415.92 and 454,964.88

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Solution

The fourth proportional to 1,119,812.88, 1,680,415.92 and 454,964.88 is: 682,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,812.88 : 1,680,415.92 = 454,964.88 : x
  2. Step 2: Convert to fraction form
    1,119,812.88/1,680,415.92 = 454,964.88/x
  3. Step 3: Cross multiply
    1,119,812.88x = 1,680,415.92 × 454,964.88
  4. Step 4: Simplify right side
    1,119,812.88x = 764,530,227,392.89
  5. Step 5: Solve for x
    x = 764,530,227,392.89/1,119,812.88
  6. Step 6: Final answer
    x = 682,730.34

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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.