Home / 1,385,869.88-1,912,311.44-773,944.62

Finding the Fourth Proportional to 1,385,869.88, 1,912,311.44 and 773,944.62

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Solution

The fourth proportional to 1,385,869.88, 1,912,311.44 and 773,944.62 is: 1,067,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,869.88 : 1,912,311.44 = 773,944.62 : x
  2. Step 2: Convert to fraction form
    1,385,869.88/1,912,311.44 = 773,944.62/x
  3. Step 3: Cross multiply
    1,385,869.88x = 1,912,311.44 × 773,944.62
  4. Step 4: Simplify right side
    1,385,869.88x = 1,480,023,157,468.09
  5. Step 5: Solve for x
    x = 1,480,023,157,468.09/1,385,869.88
  6. Step 6: Final answer
    x = 1,067,938.04

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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.