Home / 915,997.68-1,374,842.16-660,096

Finding the Fourth Proportional to 915,997.68, 1,374,842.16 and 660,096

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Solution

The fourth proportional to 915,997.68, 1,374,842.16 and 660,096 is: 990,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,997.68 : 1,374,842.16 = 660,096 : x
  2. Step 2: Convert to fraction form
    915,997.68/1,374,842.16 = 660,096/x
  3. Step 3: Cross multiply
    915,997.68x = 1,374,842.16 × 660,096
  4. Step 4: Simplify right side
    915,997.68x = 907,527,810,447.36
  5. Step 5: Solve for x
    x = 907,527,810,447.36/915,997.68
  6. Step 6: Final answer
    x = 990,753.39

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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.