Home / 1,187,214.54-1,776,564.96-1,027,838.64

Finding the Fourth Proportional to 1,187,214.54, 1,776,564.96 and 1,027,838.64

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Solution

The fourth proportional to 1,187,214.54, 1,776,564.96 and 1,027,838.64 is: 1,538,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,214.54 : 1,776,564.96 = 1,027,838.64 : x
  2. Step 2: Convert to fraction form
    1,187,214.54/1,776,564.96 = 1,027,838.64/x
  3. Step 3: Cross multiply
    1,187,214.54x = 1,776,564.96 × 1,027,838.64
  4. Step 4: Simplify right side
    1,187,214.54x = 1,826,022,112,358.05
  5. Step 5: Solve for x
    x = 1,826,022,112,358.05/1,187,214.54
  6. Step 6: Final answer
    x = 1,538,072.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.