Home / 1,090,748.03-1,635,086.86-380,585.39

Finding the Fourth Proportional to 1,090,748.03, 1,635,086.86 and 380,585.39

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Solution

The fourth proportional to 1,090,748.03, 1,635,086.86 and 380,585.39 is: 570,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,748.03 : 1,635,086.86 = 380,585.39 : x
  2. Step 2: Convert to fraction form
    1,090,748.03/1,635,086.86 = 380,585.39/x
  3. Step 3: Cross multiply
    1,090,748.03x = 1,635,086.86 × 380,585.39
  4. Step 4: Simplify right side
    1,090,748.03x = 622,290,161,170.08
  5. Step 5: Solve for x
    x = 622,290,161,170.08/1,090,748.03
  6. Step 6: Final answer
    x = 570,516.88

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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.