Home / 1,538,860.48-2,123,737.38-850,517.55

Finding the Fourth Proportional to 1,538,860.48, 2,123,737.38 and 850,517.55

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Solution

The fourth proportional to 1,538,860.48, 2,123,737.38 and 850,517.55 is: 1,173,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,860.48 : 2,123,737.38 = 850,517.55 : x
  2. Step 2: Convert to fraction form
    1,538,860.48/2,123,737.38 = 850,517.55/x
  3. Step 3: Cross multiply
    1,538,860.48x = 2,123,737.38 × 850,517.55
  4. Step 4: Simplify right side
    1,538,860.48x = 1,806,275,913,281.02
  5. Step 5: Solve for x
    x = 1,806,275,913,281.02/1,538,860.48
  6. Step 6: Final answer
    x = 1,173,774.97

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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.