Home / 1,090,905.40-1,635,191.70-491,764.60

Finding the Fourth Proportional to 1,090,905.40, 1,635,191.70 and 491,764.60

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Solution

The fourth proportional to 1,090,905.40, 1,635,191.70 and 491,764.60 is: 737,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,905.40 : 1,635,191.70 = 491,764.60 : x
  2. Step 2: Convert to fraction form
    1,090,905.40/1,635,191.70 = 491,764.60/x
  3. Step 3: Cross multiply
    1,090,905.40x = 1,635,191.70 × 491,764.60
  4. Step 4: Simplify right side
    1,090,905.40x = 804,129,392,273.82
  5. Step 5: Solve for x
    x = 804,129,392,273.82/1,090,905.40
  6. Step 6: Final answer
    x = 737,121.10

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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.