Home / 1,128,996.54-1,558,001.97-612,751.37

Finding the Fourth Proportional to 1,128,996.54, 1,558,001.97 and 612,751.37

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Solution

The fourth proportional to 1,128,996.54, 1,558,001.97 and 612,751.37 is: 845,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,996.54 : 1,558,001.97 = 612,751.37 : x
  2. Step 2: Convert to fraction form
    1,128,996.54/1,558,001.97 = 612,751.37/x
  3. Step 3: Cross multiply
    1,128,996.54x = 1,558,001.97 × 612,751.37
  4. Step 4: Simplify right side
    1,128,996.54x = 954,667,833,790.19
  5. Step 5: Solve for x
    x = 954,667,833,790.19/1,128,996.54
  6. Step 6: Final answer
    x = 845,589.69

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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.