Home / 1,396,980.31-2,104,805.40-1,262,201.04

Finding the Fourth Proportional to 1,396,980.31, 2,104,805.40 and 1,262,201.04

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Solution

The fourth proportional to 1,396,980.31, 2,104,805.40 and 1,262,201.04 is: 1,901,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,980.31 : 2,104,805.40 = 1,262,201.04 : x
  2. Step 2: Convert to fraction form
    1,396,980.31/2,104,805.40 = 1,262,201.04/x
  3. Step 3: Cross multiply
    1,396,980.31x = 2,104,805.40 × 1,262,201.04
  4. Step 4: Simplify right side
    1,396,980.31x = 2,656,687,564,877.62
  5. Step 5: Solve for x
    x = 2,656,687,564,877.62/1,396,980.31
  6. Step 6: Final answer
    x = 1,901,735.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.