Home / 1,775,109.40-2,661,108.90-1,065,419.80

Finding the Fourth Proportional to 1,775,109.40, 2,661,108.90 and 1,065,419.80

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Solution

The fourth proportional to 1,775,109.40, 2,661,108.90 and 1,065,419.80 is: 1,597,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,109.40 : 2,661,108.90 = 1,065,419.80 : x
  2. Step 2: Convert to fraction form
    1,775,109.40/2,661,108.90 = 1,065,419.80/x
  3. Step 3: Cross multiply
    1,775,109.40x = 2,661,108.90 × 1,065,419.80
  4. Step 4: Simplify right side
    1,775,109.40x = 2,835,198,112,016.22
  5. Step 5: Solve for x
    x = 2,835,198,112,016.22/1,775,109.40
  6. Step 6: Final answer
    x = 1,597,196.27

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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.