Home / 1,090,991.12-1,635,939.36-635,729.84

Finding the Fourth Proportional to 1,090,991.12, 1,635,939.36 and 635,729.84

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Solution

The fourth proportional to 1,090,991.12, 1,635,939.36 and 635,729.84 is: 953,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,991.12 : 1,635,939.36 = 635,729.84 : x
  2. Step 2: Convert to fraction form
    1,090,991.12/1,635,939.36 = 635,729.84/x
  3. Step 3: Cross multiply
    1,090,991.12x = 1,635,939.36 × 635,729.84
  4. Step 4: Simplify right side
    1,090,991.12x = 1,040,015,467,582.50
  5. Step 5: Solve for x
    x = 1,040,015,467,582.50/1,090,991.12
  6. Step 6: Final answer
    x = 953,275.83

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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.