Home / 1,741,969.41-2,403,917.79-978,039.37

Finding the Fourth Proportional to 1,741,969.41, 2,403,917.79 and 978,039.37

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Solution

The fourth proportional to 1,741,969.41, 2,403,917.79 and 978,039.37 is: 1,349,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,969.41 : 2,403,917.79 = 978,039.37 : x
  2. Step 2: Convert to fraction form
    1,741,969.41/2,403,917.79 = 978,039.37/x
  3. Step 3: Cross multiply
    1,741,969.41x = 2,403,917.79 × 978,039.37
  4. Step 4: Simplify right side
    1,741,969.41x = 2,351,126,240,200.64
  5. Step 5: Solve for x
    x = 2,351,126,240,200.64/1,741,969.41
  6. Step 6: Final answer
    x = 1,349,694.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.