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Finding the Fourth Proportional to 844,772.15, 1,270,754.13 and 765,762.90

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Solution

The fourth proportional to 844,772.15, 1,270,754.13 and 765,762.90 is: 1,151,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,772.15 : 1,270,754.13 = 765,762.90 : x
  2. Step 2: Convert to fraction form
    844,772.15/1,270,754.13 = 765,762.90/x
  3. Step 3: Cross multiply
    844,772.15x = 1,270,754.13 × 765,762.90
  4. Step 4: Simplify right side
    844,772.15x = 973,096,367,775.78
  5. Step 5: Solve for x
    x = 973,096,367,775.78/844,772.15
  6. Step 6: Final answer
    x = 1,151,903.94

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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.