Home / 1,816,161.62-2,723,870.84-678,713.85

Finding the Fourth Proportional to 1,816,161.62, 2,723,870.84 and 678,713.85

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Solution

The fourth proportional to 1,816,161.62, 2,723,870.84 and 678,713.85 is: 1,017,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,161.62 : 2,723,870.84 = 678,713.85 : x
  2. Step 2: Convert to fraction form
    1,816,161.62/2,723,870.84 = 678,713.85/x
  3. Step 3: Cross multiply
    1,816,161.62x = 2,723,870.84 × 678,713.85
  4. Step 4: Simplify right side
    1,816,161.62x = 1,848,728,861,325.56
  5. Step 5: Solve for x
    x = 1,848,728,861,325.56/1,816,161.62
  6. Step 6: Final answer
    x = 1,017,931.91

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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.