Home / 976,618.24-1,467,172.44-689,091.64

Finding the Fourth Proportional to 976,618.24, 1,467,172.44 and 689,091.64

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Solution

The fourth proportional to 976,618.24, 1,467,172.44 and 689,091.64 is: 1,035,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,618.24 : 1,467,172.44 = 689,091.64 : x
  2. Step 2: Convert to fraction form
    976,618.24/1,467,172.44 = 689,091.64/x
  3. Step 3: Cross multiply
    976,618.24x = 1,467,172.44 × 689,091.64
  4. Step 4: Simplify right side
    976,618.24x = 1,011,016,262,842.40
  5. Step 5: Solve for x
    x = 1,011,016,262,842.40/976,618.24
  6. Step 6: Final answer
    x = 1,035,221.57

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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.