Home / 1,081,474.35-1,622,322.70-408,122.57

Finding the Fourth Proportional to 1,081,474.35, 1,622,322.70 and 408,122.57

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Solution

The fourth proportional to 1,081,474.35, 1,622,322.70 and 408,122.57 is: 612,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,474.35 : 1,622,322.70 = 408,122.57 : x
  2. Step 2: Convert to fraction form
    1,081,474.35/1,622,322.70 = 408,122.57/x
  3. Step 3: Cross multiply
    1,081,474.35x = 1,622,322.70 × 408,122.57
  4. Step 4: Simplify right side
    1,081,474.35x = 662,106,504,751.12
  5. Step 5: Solve for x
    x = 662,106,504,751.12/1,081,474.35
  6. Step 6: Final answer
    x = 612,225.80

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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.