Home / 1,330,356.80-1,996,519.35-880,928.30

Finding the Fourth Proportional to 1,330,356.80, 1,996,519.35 and 880,928.30

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Solution

The fourth proportional to 1,330,356.80, 1,996,519.35 and 880,928.30 is: 1,322,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,356.80 : 1,996,519.35 = 880,928.30 : x
  2. Step 2: Convert to fraction form
    1,330,356.80/1,996,519.35 = 880,928.30/x
  3. Step 3: Cross multiply
    1,330,356.80x = 1,996,519.35 × 880,928.30
  4. Step 4: Simplify right side
    1,330,356.80x = 1,758,790,396,912.61
  5. Step 5: Solve for x
    x = 1,758,790,396,912.61/1,330,356.80
  6. Step 6: Final answer
    x = 1,322,044.13

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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.