Home / 1,177,321.40-1,765,982.10-1,090,716.20

Finding the Fourth Proportional to 1,177,321.40, 1,765,982.10 and 1,090,716.20

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Solution

The fourth proportional to 1,177,321.40, 1,765,982.10 and 1,090,716.20 is: 1,636,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,321.40 : 1,765,982.10 = 1,090,716.20 : x
  2. Step 2: Convert to fraction form
    1,177,321.40/1,765,982.10 = 1,090,716.20/x
  3. Step 3: Cross multiply
    1,177,321.40x = 1,765,982.10 × 1,090,716.20
  4. Step 4: Simplify right side
    1,177,321.40x = 1,926,185,285,380.02
  5. Step 5: Solve for x
    x = 1,926,185,285,380.02/1,177,321.40
  6. Step 6: Final answer
    x = 1,636,074.30

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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.