Home / 1,538,810.45-2,123,492.35-850,446.73

Finding the Fourth Proportional to 1,538,810.45, 2,123,492.35 and 850,446.73

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Solution

The fourth proportional to 1,538,810.45, 2,123,492.35 and 850,446.73 is: 1,173,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,810.45 : 2,123,492.35 = 850,446.73 : x
  2. Step 2: Convert to fraction form
    1,538,810.45/2,123,492.35 = 850,446.73/x
  3. Step 3: Cross multiply
    1,538,810.45x = 2,123,492.35 × 850,446.73
  4. Step 4: Simplify right side
    1,538,810.45x = 1,805,917,125,237.52
  5. Step 5: Solve for x
    x = 1,805,917,125,237.52/1,538,810.45
  6. Step 6: Final answer
    x = 1,173,579.97

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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.