Home / 1,728,321.54-2,592,606.90-663,363.60

Finding the Fourth Proportional to 1,728,321.54, 2,592,606.90 and 663,363.60

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Solution

The fourth proportional to 1,728,321.54, 2,592,606.90 and 663,363.60 is: 995,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,321.54 : 2,592,606.90 = 663,363.60 : x
  2. Step 2: Convert to fraction form
    1,728,321.54/2,592,606.90 = 663,363.60/x
  3. Step 3: Cross multiply
    1,728,321.54x = 2,592,606.90 × 663,363.60
  4. Step 4: Simplify right side
    1,728,321.54x = 1,719,841,046,568.84
  5. Step 5: Solve for x
    x = 1,719,841,046,568.84/1,728,321.54
  6. Step 6: Final answer
    x = 995,093.22

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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.