Home / 1,478,999.61-2,212,662.24-1,120,204.05

Finding the Fourth Proportional to 1,478,999.61, 2,212,662.24 and 1,120,204.05

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Solution

The fourth proportional to 1,478,999.61, 2,212,662.24 and 1,120,204.05 is: 1,675,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,999.61 : 2,212,662.24 = 1,120,204.05 : x
  2. Step 2: Convert to fraction form
    1,478,999.61/2,212,662.24 = 1,120,204.05/x
  3. Step 3: Cross multiply
    1,478,999.61x = 2,212,662.24 × 1,120,204.05
  4. Step 4: Simplify right side
    1,478,999.61x = 2,478,633,202,530.07
  5. Step 5: Solve for x
    x = 2,478,633,202,530.07/1,478,999.61
  6. Step 6: Final answer
    x = 1,675,884.96

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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.