Home / 1,072,415.25-1,608,621.57-273,696.87

Finding the Fourth Proportional to 1,072,415.25, 1,608,621.57 and 273,696.87

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Solution

The fourth proportional to 1,072,415.25, 1,608,621.57 and 273,696.87 is: 410,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,415.25 : 1,608,621.57 = 273,696.87 : x
  2. Step 2: Convert to fraction form
    1,072,415.25/1,608,621.57 = 273,696.87/x
  3. Step 3: Cross multiply
    1,072,415.25x = 1,608,621.57 × 273,696.87
  4. Step 4: Simplify right side
    1,072,415.25x = 440,274,688,723.49
  5. Step 5: Solve for x
    x = 440,274,688,723.49/1,072,415.25
  6. Step 6: Final answer
    x = 410,544.97

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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.