Home / 1,538,872.74-2,123,754.32-850,529.79

Finding the Fourth Proportional to 1,538,872.74, 2,123,754.32 and 850,529.79

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Solution

The fourth proportional to 1,538,872.74, 2,123,754.32 and 850,529.79 is: 1,173,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,872.74 : 2,123,754.32 = 850,529.79 : x
  2. Step 2: Convert to fraction form
    1,538,872.74/2,123,754.32 = 850,529.79/x
  3. Step 3: Cross multiply
    1,538,872.74x = 2,123,754.32 × 850,529.79
  4. Step 4: Simplify right side
    1,538,872.74x = 1,806,316,315,801.19
  5. Step 5: Solve for x
    x = 1,806,316,315,801.19/1,538,872.74
  6. Step 6: Final answer
    x = 1,173,791.87

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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.