Home / 1,515,268.26-2,091,114.25-826,984.32

Finding the Fourth Proportional to 1,515,268.26, 2,091,114.25 and 826,984.32

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Solution

The fourth proportional to 1,515,268.26, 2,091,114.25 and 826,984.32 is: 1,141,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,268.26 : 2,091,114.25 = 826,984.32 : x
  2. Step 2: Convert to fraction form
    1,515,268.26/2,091,114.25 = 826,984.32/x
  3. Step 3: Cross multiply
    1,515,268.26x = 2,091,114.25 × 826,984.32
  4. Step 4: Simplify right side
    1,515,268.26x = 1,729,318,696,078.56
  5. Step 5: Solve for x
    x = 1,729,318,696,078.56/1,515,268.26
  6. Step 6: Final answer
    x = 1,141,262.40

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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.