Home / 919,846.26-1,269,375.17-511,948.01

Finding the Fourth Proportional to 919,846.26, 1,269,375.17 and 511,948.01

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Solution

The fourth proportional to 919,846.26, 1,269,375.17 and 511,948.01 is: 706,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,846.26 : 1,269,375.17 = 511,948.01 : x
  2. Step 2: Convert to fraction form
    919,846.26/1,269,375.17 = 511,948.01/x
  3. Step 3: Cross multiply
    919,846.26x = 1,269,375.17 × 511,948.01
  4. Step 4: Simplify right side
    919,846.26x = 649,854,092,838.61
  5. Step 5: Solve for x
    x = 649,854,092,838.61/919,846.26
  6. Step 6: Final answer
    x = 706,481.20

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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.