Home / 1,007,755.82-1,511,624.33-408,574.55

Finding the Fourth Proportional to 1,007,755.82, 1,511,624.33 and 408,574.55

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Solution

The fourth proportional to 1,007,755.82, 1,511,624.33 and 408,574.55 is: 612,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,755.82 : 1,511,624.33 = 408,574.55 : x
  2. Step 2: Convert to fraction form
    1,007,755.82/1,511,624.33 = 408,574.55/x
  3. Step 3: Cross multiply
    1,007,755.82x = 1,511,624.33 × 408,574.55
  4. Step 4: Simplify right side
    1,007,755.82x = 617,611,230,398.80
  5. Step 5: Solve for x
    x = 617,611,230,398.80/1,007,755.82
  6. Step 6: Final answer
    x = 612,858.01

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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.