Home / 1,647,842.90-2,468,999.55-804,578.90

Finding the Fourth Proportional to 1,647,842.90, 2,468,999.55 and 804,578.90

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Solution

The fourth proportional to 1,647,842.90, 2,468,999.55 and 804,578.90 is: 1,205,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,842.90 : 2,468,999.55 = 804,578.90 : x
  2. Step 2: Convert to fraction form
    1,647,842.90/2,468,999.55 = 804,578.90/x
  3. Step 3: Cross multiply
    1,647,842.90x = 2,468,999.55 × 804,578.90
  4. Step 4: Simplify right side
    1,647,842.90x = 1,986,504,942,039.50
  5. Step 5: Solve for x
    x = 1,986,504,942,039.50/1,647,842.90
  6. Step 6: Final answer
    x = 1,205,518.40

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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.