Home / 1,520,183.76-2,275,729.56-919,326.48

Finding the Fourth Proportional to 1,520,183.76, 2,275,729.56 and 919,326.48

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Solution

The fourth proportional to 1,520,183.76, 2,275,729.56 and 919,326.48 is: 1,376,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,183.76 : 2,275,729.56 = 919,326.48 : x
  2. Step 2: Convert to fraction form
    1,520,183.76/2,275,729.56 = 919,326.48/x
  3. Step 3: Cross multiply
    1,520,183.76x = 2,275,729.56 × 919,326.48
  4. Step 4: Simplify right side
    1,520,183.76x = 2,092,138,445,826.75
  5. Step 5: Solve for x
    x = 2,092,138,445,826.75/1,520,183.76
  6. Step 6: Final answer
    x = 1,376,240.49

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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.