Home / 1,095,791.38-1,512,187.70-612,356.40

Finding the Fourth Proportional to 1,095,791.38, 1,512,187.70 and 612,356.40

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Solution

The fourth proportional to 1,095,791.38, 1,512,187.70 and 612,356.40 is: 845,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,791.38 : 1,512,187.70 = 612,356.40 : x
  2. Step 2: Convert to fraction form
    1,095,791.38/1,512,187.70 = 612,356.40/x
  3. Step 3: Cross multiply
    1,095,791.38x = 1,512,187.70 × 612,356.40
  4. Step 4: Simplify right side
    1,095,791.38x = 925,997,813,034.50
  5. Step 5: Solve for x
    x = 925,997,813,034.50/1,095,791.38
  6. Step 6: Final answer
    x = 845,049.37

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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.