Home / 1,165,020.05-1,608,010.81-674,910.38

Finding the Fourth Proportional to 1,165,020.05, 1,608,010.81 and 674,910.38

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Solution

The fourth proportional to 1,165,020.05, 1,608,010.81 and 674,910.38 is: 931,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,020.05 : 1,608,010.81 = 674,910.38 : x
  2. Step 2: Convert to fraction form
    1,165,020.05/1,608,010.81 = 674,910.38/x
  3. Step 3: Cross multiply
    1,165,020.05x = 1,608,010.81 × 674,910.38
  4. Step 4: Simplify right side
    1,165,020.05x = 1,085,263,189,153.96
  5. Step 5: Solve for x
    x = 1,085,263,189,153.96/1,165,020.05
  6. Step 6: Final answer
    x = 931,540.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.