Home / 1,090,257.05-1,635,631.66-360,778.40

Finding the Fourth Proportional to 1,090,257.05, 1,635,631.66 and 360,778.40

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Solution

The fourth proportional to 1,090,257.05, 1,635,631.66 and 360,778.40 is: 541,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,257.05 : 1,635,631.66 = 360,778.40 : x
  2. Step 2: Convert to fraction form
    1,090,257.05/1,635,631.66 = 360,778.40/x
  3. Step 3: Cross multiply
    1,090,257.05x = 1,635,631.66 × 360,778.40
  4. Step 4: Simplify right side
    1,090,257.05x = 590,100,571,480.25
  5. Step 5: Solve for x
    x = 590,100,571,480.25/1,090,257.05
  6. Step 6: Final answer
    x = 541,249.03

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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.