Home / 1,989,288.41-2,984,481.05-792,051.48

Finding the Fourth Proportional to 1,989,288.41, 2,984,481.05 and 792,051.48

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Solution

The fourth proportional to 1,989,288.41, 2,984,481.05 and 792,051.48 is: 1,188,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,288.41 : 2,984,481.05 = 792,051.48 : x
  2. Step 2: Convert to fraction form
    1,989,288.41/2,984,481.05 = 792,051.48/x
  3. Step 3: Cross multiply
    1,989,288.41x = 2,984,481.05 × 792,051.48
  4. Step 4: Simplify right side
    1,989,288.41x = 2,363,862,628,724.20
  5. Step 5: Solve for x
    x = 2,363,862,628,724.20/1,989,288.41
  6. Step 6: Final answer
    x = 1,188,295.58

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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.