Home / 1,080,775.54-1,621,447.25-388,412.41

Finding the Fourth Proportional to 1,080,775.54, 1,621,447.25 and 388,412.41

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Solution

The fourth proportional to 1,080,775.54, 1,621,447.25 and 388,412.41 is: 582,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,775.54 : 1,621,447.25 = 388,412.41 : x
  2. Step 2: Convert to fraction form
    1,080,775.54/1,621,447.25 = 388,412.41/x
  3. Step 3: Cross multiply
    1,080,775.54x = 1,621,447.25 × 388,412.41
  4. Step 4: Simplify right side
    1,080,775.54x = 629,790,234,060.37
  5. Step 5: Solve for x
    x = 629,790,234,060.37/1,080,775.54
  6. Step 6: Final answer
    x = 582,720.66

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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.