Home / 1,330,685.65-1,996,028.51-419,960.41

Finding the Fourth Proportional to 1,330,685.65, 1,996,028.51 and 419,960.41

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Solution

The fourth proportional to 1,330,685.65, 1,996,028.51 and 419,960.41 is: 629,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,685.65 : 1,996,028.51 = 419,960.41 : x
  2. Step 2: Convert to fraction form
    1,330,685.65/1,996,028.51 = 419,960.41/x
  3. Step 3: Cross multiply
    1,330,685.65x = 1,996,028.51 × 419,960.41
  4. Step 4: Simplify right side
    1,330,685.65x = 838,252,956,269.03
  5. Step 5: Solve for x
    x = 838,252,956,269.03/1,330,685.65
  6. Step 6: Final answer
    x = 629,940.63

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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.