Home / 1,662,390.90-2,295,611.04-1,253,793.66

Finding the Fourth Proportional to 1,662,390.90, 2,295,611.04 and 1,253,793.66

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Solution

The fourth proportional to 1,662,390.90, 2,295,611.04 and 1,253,793.66 is: 1,731,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,390.90 : 2,295,611.04 = 1,253,793.66 : x
  2. Step 2: Convert to fraction form
    1,662,390.90/2,295,611.04 = 1,253,793.66/x
  3. Step 3: Cross multiply
    1,662,390.90x = 2,295,611.04 × 1,253,793.66
  4. Step 4: Simplify right side
    1,662,390.90x = 2,878,222,567,778.01
  5. Step 5: Solve for x
    x = 2,878,222,567,778.01/1,662,390.90
  6. Step 6: Final answer
    x = 1,731,375.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.