Home / 1,413,855.36-2,120,979.87-454,339.62

Finding the Fourth Proportional to 1,413,855.36, 2,120,979.87 and 454,339.62

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Solution

The fourth proportional to 1,413,855.36, 2,120,979.87 and 454,339.62 is: 681,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,855.36 : 2,120,979.87 = 454,339.62 : x
  2. Step 2: Convert to fraction form
    1,413,855.36/2,120,979.87 = 454,339.62/x
  3. Step 3: Cross multiply
    1,413,855.36x = 2,120,979.87 × 454,339.62
  4. Step 4: Simplify right side
    1,413,855.36x = 963,645,188,163.45
  5. Step 5: Solve for x
    x = 963,645,188,163.45/1,413,855.36
  6. Step 6: Final answer
    x = 681,572.68

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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.