Home / 1,741,970.41-2,403,919.17-978,040.37

Finding the Fourth Proportional to 1,741,970.41, 2,403,919.17 and 978,040.37

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Solution

The fourth proportional to 1,741,970.41, 2,403,919.17 and 978,040.37 is: 1,349,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,970.41 : 2,403,919.17 = 978,040.37 : x
  2. Step 2: Convert to fraction form
    1,741,970.41/2,403,919.17 = 978,040.37/x
  3. Step 3: Cross multiply
    1,741,970.41x = 2,403,919.17 × 978,040.37
  4. Step 4: Simplify right side
    1,741,970.41x = 2,351,129,994,476.89
  5. Step 5: Solve for x
    x = 2,351,129,994,476.89/1,741,970.41
  6. Step 6: Final answer
    x = 1,349,695.71

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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.