Home / 1,379,246.22-2,068,947.03-419,733.03

Finding the Fourth Proportional to 1,379,246.22, 2,068,947.03 and 419,733.03

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Solution

The fourth proportional to 1,379,246.22, 2,068,947.03 and 419,733.03 is: 629,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,246.22 : 2,068,947.03 = 419,733.03 : x
  2. Step 2: Convert to fraction form
    1,379,246.22/2,068,947.03 = 419,733.03/x
  3. Step 3: Cross multiply
    1,379,246.22x = 2,068,947.03 × 419,733.03
  4. Step 4: Simplify right side
    1,379,246.22x = 868,405,405,811.40
  5. Step 5: Solve for x
    x = 868,405,405,811.40/1,379,246.22
  6. Step 6: Final answer
    x = 629,623.19

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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.