Home / 1,179,820.44-1,628,277.12-721,203.44

Finding the Fourth Proportional to 1,179,820.44, 1,628,277.12 and 721,203.44

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Solution

The fourth proportional to 1,179,820.44, 1,628,277.12 and 721,203.44 is: 995,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,820.44 : 1,628,277.12 = 721,203.44 : x
  2. Step 2: Convert to fraction form
    1,179,820.44/1,628,277.12 = 721,203.44/x
  3. Step 3: Cross multiply
    1,179,820.44x = 1,628,277.12 × 721,203.44
  4. Step 4: Simplify right side
    1,179,820.44x = 1,174,319,060,217.29
  5. Step 5: Solve for x
    x = 1,174,319,060,217.29/1,179,820.44
  6. Step 6: Final answer
    x = 995,337.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.