Home / 1,476,221.45-2,214,419.66-465,375.47

Finding the Fourth Proportional to 1,476,221.45, 2,214,419.66 and 465,375.47

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Solution

The fourth proportional to 1,476,221.45, 2,214,419.66 and 465,375.47 is: 698,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,221.45 : 2,214,419.66 = 465,375.47 : x
  2. Step 2: Convert to fraction form
    1,476,221.45/2,214,419.66 = 465,375.47/x
  3. Step 3: Cross multiply
    1,476,221.45x = 2,214,419.66 × 465,375.47
  4. Step 4: Simplify right side
    1,476,221.45x = 1,030,536,587,722.86
  5. Step 5: Solve for x
    x = 1,030,536,587,722.86/1,476,221.45
  6. Step 6: Final answer
    x = 698,090.78

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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.