Home / 1,207,122.90-1,810,672.20-487,452.48

Finding the Fourth Proportional to 1,207,122.90, 1,810,672.20 and 487,452.48

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Solution

The fourth proportional to 1,207,122.90, 1,810,672.20 and 487,452.48 is: 731,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,122.90 : 1,810,672.20 = 487,452.48 : x
  2. Step 2: Convert to fraction form
    1,207,122.90/1,810,672.20 = 487,452.48/x
  3. Step 3: Cross multiply
    1,207,122.90x = 1,810,672.20 × 487,452.48
  4. Step 4: Simplify right side
    1,207,122.90x = 882,616,654,357.06
  5. Step 5: Solve for x
    x = 882,616,654,357.06/1,207,122.90
  6. Step 6: Final answer
    x = 731,173.81

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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.