Home / 1,100,321.20-1,653,106.20-984,847.60

Finding the Fourth Proportional to 1,100,321.20, 1,653,106.20 and 984,847.60

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Solution

The fourth proportional to 1,100,321.20, 1,653,106.20 and 984,847.60 is: 1,479,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,321.20 : 1,653,106.20 = 984,847.60 : x
  2. Step 2: Convert to fraction form
    1,100,321.20/1,653,106.20 = 984,847.60/x
  3. Step 3: Cross multiply
    1,100,321.20x = 1,653,106.20 × 984,847.60
  4. Step 4: Simplify right side
    1,100,321.20x = 1,628,057,673,615.12
  5. Step 5: Solve for x
    x = 1,628,057,673,615.12/1,100,321.20
  6. Step 6: Final answer
    x = 1,479,620.38

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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.