Home / 1,327,247.72-1,990,878.70-329,975.72

Finding the Fourth Proportional to 1,327,247.72, 1,990,878.70 and 329,975.72

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Solution

The fourth proportional to 1,327,247.72, 1,990,878.70 and 329,975.72 is: 494,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,247.72 : 1,990,878.70 = 329,975.72 : x
  2. Step 2: Convert to fraction form
    1,327,247.72/1,990,878.70 = 329,975.72/x
  3. Step 3: Cross multiply
    1,327,247.72x = 1,990,878.70 × 329,975.72
  4. Step 4: Simplify right side
    1,327,247.72x = 656,941,632,465.16
  5. Step 5: Solve for x
    x = 656,941,632,465.16/1,327,247.72
  6. Step 6: Final answer
    x = 494,965.35

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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.