Home / 1,699,343.31-2,548,990.01-419,950.76

Finding the Fourth Proportional to 1,699,343.31, 2,548,990.01 and 419,950.76

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Solution

The fourth proportional to 1,699,343.31, 2,548,990.01 and 419,950.76 is: 629,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,343.31 : 2,548,990.01 = 419,950.76 : x
  2. Step 2: Convert to fraction form
    1,699,343.31/2,548,990.01 = 419,950.76/x
  3. Step 3: Cross multiply
    1,699,343.31x = 2,548,990.01 × 419,950.76
  4. Step 4: Simplify right side
    1,699,343.31x = 1,070,450,277,087.20
  5. Step 5: Solve for x
    x = 1,070,450,277,087.20/1,699,343.31
  6. Step 6: Final answer
    x = 629,919.96

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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.