Home / 1,438,465.92-2,157,699.96-491,843.76

Finding the Fourth Proportional to 1,438,465.92, 2,157,699.96 and 491,843.76

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Solution

The fourth proportional to 1,438,465.92, 2,157,699.96 and 491,843.76 is: 737,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,465.92 : 2,157,699.96 = 491,843.76 : x
  2. Step 2: Convert to fraction form
    1,438,465.92/2,157,699.96 = 491,843.76/x
  3. Step 3: Cross multiply
    1,438,465.92x = 2,157,699.96 × 491,843.76
  4. Step 4: Simplify right side
    1,438,465.92x = 1,061,251,261,278.25
  5. Step 5: Solve for x
    x = 1,061,251,261,278.25/1,438,465.92
  6. Step 6: Final answer
    x = 737,766.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.