Home / 721,182.88-1,081,835.88-188,703.46

Finding the Fourth Proportional to 721,182.88, 1,081,835.88 and 188,703.46

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Solution

The fourth proportional to 721,182.88, 1,081,835.88 and 188,703.46 is: 283,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,182.88 : 1,081,835.88 = 188,703.46 : x
  2. Step 2: Convert to fraction form
    721,182.88/1,081,835.88 = 188,703.46/x
  3. Step 3: Cross multiply
    721,182.88x = 1,081,835.88 × 188,703.46
  4. Step 4: Simplify right side
    721,182.88x = 204,146,173,708.15
  5. Step 5: Solve for x
    x = 204,146,173,708.15/721,182.88
  6. Step 6: Final answer
    x = 283,071.30

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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.