Home / 1,369,578.16-2,054,625.43-422,727.45

Finding the Fourth Proportional to 1,369,578.16, 2,054,625.43 and 422,727.45

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Solution

The fourth proportional to 1,369,578.16, 2,054,625.43 and 422,727.45 is: 634,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,578.16 : 2,054,625.43 = 422,727.45 : x
  2. Step 2: Convert to fraction form
    1,369,578.16/2,054,625.43 = 422,727.45/x
  3. Step 3: Cross multiply
    1,369,578.16x = 2,054,625.43 × 422,727.45
  4. Step 4: Simplify right side
    1,369,578.16x = 868,546,568,729.05
  5. Step 5: Solve for x
    x = 868,546,568,729.05/1,369,578.16
  6. Step 6: Final answer
    x = 634,170.87

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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.