Home / 1,369,617.44-2,054,863.60-659,717.28

Finding the Fourth Proportional to 1,369,617.44, 2,054,863.60 and 659,717.28

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Solution

The fourth proportional to 1,369,617.44, 2,054,863.60 and 659,717.28 is: 989,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,617.44 : 2,054,863.60 = 659,717.28 : x
  2. Step 2: Convert to fraction form
    1,369,617.44/2,054,863.60 = 659,717.28/x
  3. Step 3: Cross multiply
    1,369,617.44x = 2,054,863.60 × 659,717.28
  4. Step 4: Simplify right side
    1,369,617.44x = 1,355,629,024,963.01
  5. Step 5: Solve for x
    x = 1,355,629,024,963.01/1,369,617.44
  6. Step 6: Final answer
    x = 989,786.63

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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.