Home / 1,189,339.53-1,783,993.29-290,788.98

Finding the Fourth Proportional to 1,189,339.53, 1,783,993.29 and 290,788.98

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Solution

The fourth proportional to 1,189,339.53, 1,783,993.29 and 290,788.98 is: 436,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,339.53 : 1,783,993.29 = 290,788.98 : x
  2. Step 2: Convert to fraction form
    1,189,339.53/1,783,993.29 = 290,788.98/x
  3. Step 3: Cross multiply
    1,189,339.53x = 1,783,993.29 × 290,788.98
  4. Step 4: Simplify right side
    1,189,339.53x = 518,765,589,125.94
  5. Step 5: Solve for x
    x = 518,765,589,125.94/1,189,339.53
  6. Step 6: Final answer
    x = 436,179.56

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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.