Home / 1,079,642.96-1,619,181.44-321,281.04

Finding the Fourth Proportional to 1,079,642.96, 1,619,181.44 and 321,281.04

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Solution

The fourth proportional to 1,079,642.96, 1,619,181.44 and 321,281.04 is: 481,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,642.96 : 1,619,181.44 = 321,281.04 : x
  2. Step 2: Convert to fraction form
    1,079,642.96/1,619,181.44 = 321,281.04/x
  3. Step 3: Cross multiply
    1,079,642.96x = 1,619,181.44 × 321,281.04
  4. Step 4: Simplify right side
    1,079,642.96x = 520,212,296,991.90
  5. Step 5: Solve for x
    x = 520,212,296,991.90/1,079,642.96
  6. Step 6: Final answer
    x = 481,837.34

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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.