Home / 1,318,467-1,977,601.14-419,872.44

Finding the Fourth Proportional to 1,318,467, 1,977,601.14 and 419,872.44

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Solution

The fourth proportional to 1,318,467, 1,977,601.14 and 419,872.44 is: 629,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,467 : 1,977,601.14 = 419,872.44 : x
  2. Step 2: Convert to fraction form
    1,318,467/1,977,601.14 = 419,872.44/x
  3. Step 3: Cross multiply
    1,318,467x = 1,977,601.14 × 419,872.44
  4. Step 4: Simplify right side
    1,318,467x = 830,340,215,998.58
  5. Step 5: Solve for x
    x = 830,340,215,998.58/1,318,467
  6. Step 6: Final answer
    x = 629,777.02

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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.