Home / 1,188,927.86-1,784,003.31-789,844.34

Finding the Fourth Proportional to 1,188,927.86, 1,784,003.31 and 789,844.34

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Solution

The fourth proportional to 1,188,927.86, 1,784,003.31 and 789,844.34 is: 1,185,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,927.86 : 1,784,003.31 = 789,844.34 : x
  2. Step 2: Convert to fraction form
    1,188,927.86/1,784,003.31 = 789,844.34/x
  3. Step 3: Cross multiply
    1,188,927.86x = 1,784,003.31 × 789,844.34
  4. Step 4: Simplify right side
    1,188,927.86x = 1,409,084,916,944.77
  5. Step 5: Solve for x
    x = 1,409,084,916,944.77/1,188,927.86
  6. Step 6: Final answer
    x = 1,185,172.76

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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.