Home / 1,989,288.78-2,984,481.62-792,051.86

Finding the Fourth Proportional to 1,989,288.78, 2,984,481.62 and 792,051.86

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Solution

The fourth proportional to 1,989,288.78, 2,984,481.62 and 792,051.86 is: 1,188,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,288.78 : 2,984,481.62 = 792,051.86 : x
  2. Step 2: Convert to fraction form
    1,989,288.78/2,984,481.62 = 792,051.86/x
  3. Step 3: Cross multiply
    1,989,288.78x = 2,984,481.62 × 792,051.86
  4. Step 4: Simplify right side
    1,989,288.78x = 2,363,864,199,374.15
  5. Step 5: Solve for x
    x = 2,363,864,199,374.15/1,989,288.78
  6. Step 6: Final answer
    x = 1,188,296.15

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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.