Home / 1,538,809.45-2,123,490.97-850,445.73

Finding the Fourth Proportional to 1,538,809.45, 2,123,490.97 and 850,445.73

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Solution

The fourth proportional to 1,538,809.45, 2,123,490.97 and 850,445.73 is: 1,173,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,809.45 : 2,123,490.97 = 850,445.73 : x
  2. Step 2: Convert to fraction form
    1,538,809.45/2,123,490.97 = 850,445.73/x
  3. Step 3: Cross multiply
    1,538,809.45x = 2,123,490.97 × 850,445.73
  4. Step 4: Simplify right side
    1,538,809.45x = 1,805,913,829,193.12
  5. Step 5: Solve for x
    x = 1,805,913,829,193.12/1,538,809.45
  6. Step 6: Final answer
    x = 1,173,578.59

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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.