Home / 1,190,469.36-1,785,694.32-480,486.54

Finding the Fourth Proportional to 1,190,469.36, 1,785,694.32 and 480,486.54

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Solution

The fourth proportional to 1,190,469.36, 1,785,694.32 and 480,486.54 is: 720,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,469.36 : 1,785,694.32 = 480,486.54 : x
  2. Step 2: Convert to fraction form
    1,190,469.36/1,785,694.32 = 480,486.54/x
  3. Step 3: Cross multiply
    1,190,469.36x = 1,785,694.32 × 480,486.54
  4. Step 4: Simplify right side
    1,190,469.36x = 858,002,085,314.45
  5. Step 5: Solve for x
    x = 858,002,085,314.45/1,190,469.36
  6. Step 6: Final answer
    x = 720,725.89

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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.