Home / 1,100,055.15-1,654,511.40-984,909.60

Finding the Fourth Proportional to 1,100,055.15, 1,654,511.40 and 984,909.60

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Solution

The fourth proportional to 1,100,055.15, 1,654,511.40 and 984,909.60 is: 1,481,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,055.15 : 1,654,511.40 = 984,909.60 : x
  2. Step 2: Convert to fraction form
    1,100,055.15/1,654,511.40 = 984,909.60/x
  3. Step 3: Cross multiply
    1,100,055.15x = 1,654,511.40 × 984,909.60
  4. Step 4: Simplify right side
    1,100,055.15x = 1,629,544,161,169.44
  5. Step 5: Solve for x
    x = 1,629,544,161,169.44/1,100,055.15
  6. Step 6: Final answer
    x = 1,481,329.51

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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.