Home / 1,538,137.48-2,305,689.89-540,165.64

Finding the Fourth Proportional to 1,538,137.48, 2,305,689.89 and 540,165.64

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Solution

The fourth proportional to 1,538,137.48, 2,305,689.89 and 540,165.64 is: 809,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,137.48 : 2,305,689.89 = 540,165.64 : x
  2. Step 2: Convert to fraction form
    1,538,137.48/2,305,689.89 = 540,165.64/x
  3. Step 3: Cross multiply
    1,538,137.48x = 2,305,689.89 × 540,165.64
  4. Step 4: Simplify right side
    1,538,137.48x = 1,245,454,455,073.38
  5. Step 5: Solve for x
    x = 1,245,454,455,073.38/1,538,137.48
  6. Step 6: Final answer
    x = 809,715.95

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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.