Home / 1,090,675.22-1,636,100.31-380,687.54

Finding the Fourth Proportional to 1,090,675.22, 1,636,100.31 and 380,687.54

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Solution

The fourth proportional to 1,090,675.22, 1,636,100.31 and 380,687.54 is: 571,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,675.22 : 1,636,100.31 = 380,687.54 : x
  2. Step 2: Convert to fraction form
    1,090,675.22/1,636,100.31 = 380,687.54/x
  3. Step 3: Cross multiply
    1,090,675.22x = 1,636,100.31 × 380,687.54
  4. Step 4: Simplify right side
    1,090,675.22x = 622,843,002,207.14
  5. Step 5: Solve for x
    x = 622,843,002,207.14/1,090,675.22
  6. Step 6: Final answer
    x = 571,061.84

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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.