Home / 1,093,304.80-1,639,179.60-419,125.60

Finding the Fourth Proportional to 1,093,304.80, 1,639,179.60 and 419,125.60

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Solution

The fourth proportional to 1,093,304.80, 1,639,179.60 and 419,125.60 is: 628,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,304.80 : 1,639,179.60 = 419,125.60 : x
  2. Step 2: Convert to fraction form
    1,093,304.80/1,639,179.60 = 419,125.60/x
  3. Step 3: Cross multiply
    1,093,304.80x = 1,639,179.60 × 419,125.60
  4. Step 4: Simplify right side
    1,093,304.80x = 687,022,133,357.76
  5. Step 5: Solve for x
    x = 687,022,133,357.76/1,093,304.80
  6. Step 6: Final answer
    x = 628,390.30

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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.