Home / 1,119,811.76-1,680,414.23-454,963.76

Finding the Fourth Proportional to 1,119,811.76, 1,680,414.23 and 454,963.76

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Solution

The fourth proportional to 1,119,811.76, 1,680,414.23 and 454,963.76 is: 682,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,811.76 : 1,680,414.23 = 454,963.76 : x
  2. Step 2: Convert to fraction form
    1,119,811.76/1,680,414.23 = 454,963.76/x
  3. Step 3: Cross multiply
    1,119,811.76x = 1,680,414.23 × 454,963.76
  4. Step 4: Simplify right side
    1,119,811.76x = 764,527,569,173.64
  5. Step 5: Solve for x
    x = 764,527,569,173.64/1,119,811.76
  6. Step 6: Final answer
    x = 682,728.65

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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.