Home / 1,219,260.89-1,821,475.62-789,293.96

Finding the Fourth Proportional to 1,219,260.89, 1,821,475.62 and 789,293.96

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Solution

The fourth proportional to 1,219,260.89, 1,821,475.62 and 789,293.96 is: 1,179,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,260.89 : 1,821,475.62 = 789,293.96 : x
  2. Step 2: Convert to fraction form
    1,219,260.89/1,821,475.62 = 789,293.96/x
  3. Step 3: Cross multiply
    1,219,260.89x = 1,821,475.62 × 789,293.96
  4. Step 4: Simplify right side
    1,219,260.89x = 1,437,679,696,045.88
  5. Step 5: Solve for x
    x = 1,437,679,696,045.88/1,219,260.89
  6. Step 6: Final answer
    x = 1,179,140.33

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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.