Home / 1,325,514.60-1,829,230.98-721,902.12

Finding the Fourth Proportional to 1,325,514.60, 1,829,230.98 and 721,902.12

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Solution

The fourth proportional to 1,325,514.60, 1,829,230.98 and 721,902.12 is: 996,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,514.60 : 1,829,230.98 = 721,902.12 : x
  2. Step 2: Convert to fraction form
    1,325,514.60/1,829,230.98 = 721,902.12/x
  3. Step 3: Cross multiply
    1,325,514.60x = 1,829,230.98 × 721,902.12
  4. Step 4: Simplify right side
    1,325,514.60x = 1,320,525,722,431.68
  5. Step 5: Solve for x
    x = 1,320,525,722,431.68/1,325,514.60
  6. Step 6: Final answer
    x = 996,236.27

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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.