Home / 1,219,261.89-1,821,477.11-789,294.96

Finding the Fourth Proportional to 1,219,261.89, 1,821,477.11 and 789,294.96

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Solution

The fourth proportional to 1,219,261.89, 1,821,477.11 and 789,294.96 is: 1,179,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,261.89 : 1,821,477.11 = 789,294.96 : x
  2. Step 2: Convert to fraction form
    1,219,261.89/1,821,477.11 = 789,294.96/x
  3. Step 3: Cross multiply
    1,219,261.89x = 1,821,477.11 × 789,294.96
  4. Step 4: Simplify right side
    1,219,261.89x = 1,437,682,702,678.37
  5. Step 5: Solve for x
    x = 1,437,682,702,678.37/1,219,261.89
  6. Step 6: Final answer
    x = 1,179,141.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.