Home / 1,538,138.48-2,305,691.39-540,166.64

Finding the Fourth Proportional to 1,538,138.48, 2,305,691.39 and 540,166.64

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Solution

The fourth proportional to 1,538,138.48, 2,305,691.39 and 540,166.64 is: 809,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,138.48 : 2,305,691.39 = 540,166.64 : x
  2. Step 2: Convert to fraction form
    1,538,138.48/2,305,691.39 = 540,166.64/x
  3. Step 3: Cross multiply
    1,538,138.48x = 2,305,691.39 × 540,166.64
  4. Step 4: Simplify right side
    1,538,138.48x = 1,245,457,571,013.23
  5. Step 5: Solve for x
    x = 1,245,457,571,013.23/1,538,138.48
  6. Step 6: Final answer
    x = 809,717.45

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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.