Home / 1,515,551.28-2,091,428.82-827,200.32

Finding the Fourth Proportional to 1,515,551.28, 2,091,428.82 and 827,200.32

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Solution

The fourth proportional to 1,515,551.28, 2,091,428.82 and 827,200.32 is: 1,141,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,551.28 : 2,091,428.82 = 827,200.32 : x
  2. Step 2: Convert to fraction form
    1,515,551.28/2,091,428.82 = 827,200.32/x
  3. Step 3: Cross multiply
    1,515,551.28x = 2,091,428.82 × 827,200.32
  4. Step 4: Simplify right side
    1,515,551.28x = 1,730,030,589,161.22
  5. Step 5: Solve for x
    x = 1,730,030,589,161.22/1,515,551.28
  6. Step 6: Final answer
    x = 1,141,519.00

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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.