Home / 1,690,912.94-2,535,739.20-679,694.04

Finding the Fourth Proportional to 1,690,912.94, 2,535,739.20 and 679,694.04

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Solution

The fourth proportional to 1,690,912.94, 2,535,739.20 and 679,694.04 is: 1,019,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,912.94 : 2,535,739.20 = 679,694.04 : x
  2. Step 2: Convert to fraction form
    1,690,912.94/2,535,739.20 = 679,694.04/x
  3. Step 3: Cross multiply
    1,690,912.94x = 2,535,739.20 × 679,694.04
  4. Step 4: Simplify right side
    1,690,912.94x = 1,723,526,821,234.37
  5. Step 5: Solve for x
    x = 1,723,526,821,234.37/1,690,912.94
  6. Step 6: Final answer
    x = 1,019,287.74

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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.