Home / 1,990,509.56-2,985,766.46-494,601.56

Finding the Fourth Proportional to 1,990,509.56, 2,985,766.46 and 494,601.56

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Solution

The fourth proportional to 1,990,509.56, 2,985,766.46 and 494,601.56 is: 741,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,509.56 : 2,985,766.46 = 494,601.56 : x
  2. Step 2: Convert to fraction form
    1,990,509.56/2,985,766.46 = 494,601.56/x
  3. Step 3: Cross multiply
    1,990,509.56x = 2,985,766.46 × 494,601.56
  4. Step 4: Simplify right side
    1,990,509.56x = 1,476,764,748,911.68
  5. Step 5: Solve for x
    x = 1,476,764,748,911.68/1,990,509.56
  6. Step 6: Final answer
    x = 741,902.87

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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.