Home / 1,699,297.78-2,548,997.80-419,905.18

Finding the Fourth Proportional to 1,699,297.78, 2,548,997.80 and 419,905.18

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Solution

The fourth proportional to 1,699,297.78, 2,548,997.80 and 419,905.18 is: 629,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,297.78 : 2,548,997.80 = 419,905.18 : x
  2. Step 2: Convert to fraction form
    1,699,297.78/2,548,997.80 = 419,905.18/x
  3. Step 3: Cross multiply
    1,699,297.78x = 2,548,997.80 × 419,905.18
  4. Step 4: Simplify right side
    1,699,297.78x = 1,070,337,380,028.60
  5. Step 5: Solve for x
    x = 1,070,337,380,028.60/1,699,297.78
  6. Step 6: Final answer
    x = 629,870.40

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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.