Home / 1,299,696.48-1,949,571.45-401,138.82

Finding the Fourth Proportional to 1,299,696.48, 1,949,571.45 and 401,138.82

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Solution

The fourth proportional to 1,299,696.48, 1,949,571.45 and 401,138.82 is: 601,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,696.48 : 1,949,571.45 = 401,138.82 : x
  2. Step 2: Convert to fraction form
    1,299,696.48/1,949,571.45 = 401,138.82/x
  3. Step 3: Cross multiply
    1,299,696.48x = 1,949,571.45 × 401,138.82
  4. Step 4: Simplify right side
    1,299,696.48x = 782,048,790,958.69
  5. Step 5: Solve for x
    x = 782,048,790,958.69/1,299,696.48
  6. Step 6: Final answer
    x = 601,716.48

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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.