Home / 1,121,001.67-1,546,291.86-798,815.87

Finding the Fourth Proportional to 1,121,001.67, 1,546,291.86 and 798,815.87

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Solution

The fourth proportional to 1,121,001.67, 1,546,291.86 and 798,815.87 is: 1,101,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,001.67 : 1,546,291.86 = 798,815.87 : x
  2. Step 2: Convert to fraction form
    1,121,001.67/1,546,291.86 = 798,815.87/x
  3. Step 3: Cross multiply
    1,121,001.67x = 1,546,291.86 × 798,815.87
  4. Step 4: Simplify right side
    1,121,001.67x = 1,235,202,469,688.36
  5. Step 5: Solve for x
    x = 1,235,202,469,688.36/1,121,001.67
  6. Step 6: Final answer
    x = 1,101,873.89

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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.