Home / 1,093,790.30-1,639,907.85-419,611.10

Finding the Fourth Proportional to 1,093,790.30, 1,639,907.85 and 419,611.10

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Solution

The fourth proportional to 1,093,790.30, 1,639,907.85 and 419,611.10 is: 629,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,790.30 : 1,639,907.85 = 419,611.10 : x
  2. Step 2: Convert to fraction form
    1,093,790.30/1,639,907.85 = 419,611.10/x
  3. Step 3: Cross multiply
    1,093,790.30x = 1,639,907.85 × 419,611.10
  4. Step 4: Simplify right side
    1,093,790.30x = 688,123,536,837.14
  5. Step 5: Solve for x
    x = 688,123,536,837.14/1,093,790.30
  6. Step 6: Final answer
    x = 629,118.34

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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.