Home / 1,328,082.90-1,992,124.35-330,810.90

Finding the Fourth Proportional to 1,328,082.90, 1,992,124.35 and 330,810.90

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Solution

The fourth proportional to 1,328,082.90, 1,992,124.35 and 330,810.90 is: 496,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,082.90 : 1,992,124.35 = 330,810.90 : x
  2. Step 2: Convert to fraction form
    1,328,082.90/1,992,124.35 = 330,810.90/x
  3. Step 3: Cross multiply
    1,328,082.90x = 1,992,124.35 × 330,810.90
  4. Step 4: Simplify right side
    1,328,082.90x = 659,016,449,135.42
  5. Step 5: Solve for x
    x = 659,016,449,135.42/1,328,082.90
  6. Step 6: Final answer
    x = 496,216.35

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Similar ratio
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1.5x scale

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.