Home / 1,538,868.79-2,123,748.90-850,525.84

Finding the Fourth Proportional to 1,538,868.79, 2,123,748.90 and 850,525.84

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Solution

The fourth proportional to 1,538,868.79, 2,123,748.90 and 850,525.84 is: 1,173,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,868.79 : 2,123,748.90 = 850,525.84 : x
  2. Step 2: Convert to fraction form
    1,538,868.79/2,123,748.90 = 850,525.84/x
  3. Step 3: Cross multiply
    1,538,868.79x = 2,123,748.90 × 850,525.84
  4. Step 4: Simplify right side
    1,538,868.79x = 1,806,303,317,121.58
  5. Step 5: Solve for x
    x = 1,806,303,317,121.58/1,538,868.79
  6. Step 6: Final answer
    x = 1,173,786.44

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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.