Home / 1,080,774.54-1,621,445.75-388,411.41

Finding the Fourth Proportional to 1,080,774.54, 1,621,445.75 and 388,411.41

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Solution

The fourth proportional to 1,080,774.54, 1,621,445.75 and 388,411.41 is: 582,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,774.54 : 1,621,445.75 = 388,411.41 : x
  2. Step 2: Convert to fraction form
    1,080,774.54/1,621,445.75 = 388,411.41/x
  3. Step 3: Cross multiply
    1,080,774.54x = 1,621,445.75 × 388,411.41
  4. Step 4: Simplify right side
    1,080,774.54x = 629,788,023,736.05
  5. Step 5: Solve for x
    x = 629,788,023,736.05/1,080,774.54
  6. Step 6: Final answer
    x = 582,719.15

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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.