Home / 1,365,926.40-2,049,196.80-419,340.80

Finding the Fourth Proportional to 1,365,926.40, 2,049,196.80 and 419,340.80

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Solution

The fourth proportional to 1,365,926.40, 2,049,196.80 and 419,340.80 is: 629,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,926.40 : 2,049,196.80 = 419,340.80 : x
  2. Step 2: Convert to fraction form
    1,365,926.40/2,049,196.80 = 419,340.80/x
  3. Step 3: Cross multiply
    1,365,926.40x = 2,049,196.80 × 419,340.80
  4. Step 4: Simplify right side
    1,365,926.40x = 859,311,825,469.44
  5. Step 5: Solve for x
    x = 859,311,825,469.44/1,365,926.40
  6. Step 6: Final answer
    x = 629,105.51

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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.