Home / 1,458,694.83-2,188,216.78-447,684.45

Finding the Fourth Proportional to 1,458,694.83, 2,188,216.78 and 447,684.45

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Solution

The fourth proportional to 1,458,694.83, 2,188,216.78 and 447,684.45 is: 671,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,694.83 : 2,188,216.78 = 447,684.45 : x
  2. Step 2: Convert to fraction form
    1,458,694.83/2,188,216.78 = 447,684.45/x
  3. Step 3: Cross multiply
    1,458,694.83x = 2,188,216.78 × 447,684.45
  4. Step 4: Simplify right side
    1,458,694.83x = 979,630,629,824.93
  5. Step 5: Solve for x
    x = 979,630,629,824.93/1,458,694.83
  6. Step 6: Final answer
    x = 671,580.24

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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.