Home / 1,511,990.82-2,268,429.17-447,060.60

Finding the Fourth Proportional to 1,511,990.82, 2,268,429.17 and 447,060.60

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Solution

The fourth proportional to 1,511,990.82, 2,268,429.17 and 447,060.60 is: 670,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,990.82 : 2,268,429.17 = 447,060.60 : x
  2. Step 2: Convert to fraction form
    1,511,990.82/2,268,429.17 = 447,060.60/x
  3. Step 3: Cross multiply
    1,511,990.82x = 2,268,429.17 × 447,060.60
  4. Step 4: Simplify right side
    1,511,990.82x = 1,014,125,303,562.40
  5. Step 5: Solve for x
    x = 1,014,125,303,562.40/1,511,990.82
  6. Step 6: Final answer
    x = 670,721.87

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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.