Home / 1,538,286.95-2,122,935.98-849,958.89

Finding the Fourth Proportional to 1,538,286.95, 2,122,935.98 and 849,958.89

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Solution

The fourth proportional to 1,538,286.95, 2,122,935.98 and 849,958.89 is: 1,172,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,286.95 : 2,122,935.98 = 849,958.89 : x
  2. Step 2: Convert to fraction form
    1,538,286.95/2,122,935.98 = 849,958.89/x
  3. Step 3: Cross multiply
    1,538,286.95x = 2,122,935.98 × 849,958.89
  4. Step 4: Simplify right side
    1,538,286.95x = 1,804,408,309,101.86
  5. Step 5: Solve for x
    x = 1,804,408,309,101.86/1,538,286.95
  6. Step 6: Final answer
    x = 1,172,998.52

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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.