Home / 1,515,555.28-2,091,434.32-827,204.32

Finding the Fourth Proportional to 1,515,555.28, 2,091,434.32 and 827,204.32

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Solution

The fourth proportional to 1,515,555.28, 2,091,434.32 and 827,204.32 is: 1,141,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,555.28 : 2,091,434.32 = 827,204.32 : x
  2. Step 2: Convert to fraction form
    1,515,555.28/2,091,434.32 = 827,204.32/x
  3. Step 3: Cross multiply
    1,515,555.28x = 2,091,434.32 × 827,204.32
  4. Step 4: Simplify right side
    1,515,555.28x = 1,730,043,504,500.26
  5. Step 5: Solve for x
    x = 1,730,043,504,500.26/1,515,555.28
  6. Step 6: Final answer
    x = 1,141,524.51

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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.