Home / 1,538,661.62-2,123,241.78-850,325.24

Finding the Fourth Proportional to 1,538,661.62, 2,123,241.78 and 850,325.24

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Solution

The fourth proportional to 1,538,661.62, 2,123,241.78 and 850,325.24 is: 1,173,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,661.62 : 2,123,241.78 = 850,325.24 : x
  2. Step 2: Convert to fraction form
    1,538,661.62/2,123,241.78 = 850,325.24/x
  3. Step 3: Cross multiply
    1,538,661.62x = 2,123,241.78 × 850,325.24
  4. Step 4: Simplify right side
    1,538,661.62x = 1,805,446,076,156.53
  5. Step 5: Solve for x
    x = 1,805,446,076,156.53/1,538,661.62
  6. Step 6: Final answer
    x = 1,173,387.35

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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.