Home / 999,888.44-1,380,489.90-892,273.46

Finding the Fourth Proportional to 999,888.44, 1,380,489.90 and 892,273.46

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Solution

The fourth proportional to 999,888.44, 1,380,489.90 and 892,273.46 is: 1,231,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,888.44 : 1,380,489.90 = 892,273.46 : x
  2. Step 2: Convert to fraction form
    999,888.44/1,380,489.90 = 892,273.46/x
  3. Step 3: Cross multiply
    999,888.44x = 1,380,489.90 × 892,273.46
  4. Step 4: Simplify right side
    999,888.44x = 1,231,774,499,568.05
  5. Step 5: Solve for x
    x = 1,231,774,499,568.05/999,888.44
  6. Step 6: Final answer
    x = 1,231,911.93

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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.