Home / 1,659,890.87-2,488,493.73-699,726.49

Finding the Fourth Proportional to 1,659,890.87, 2,488,493.73 and 699,726.49

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Solution

The fourth proportional to 1,659,890.87, 2,488,493.73 and 699,726.49 is: 1,049,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,890.87 : 2,488,493.73 = 699,726.49 : x
  2. Step 2: Convert to fraction form
    1,659,890.87/2,488,493.73 = 699,726.49/x
  3. Step 3: Cross multiply
    1,659,890.87x = 2,488,493.73 × 699,726.49
  4. Step 4: Simplify right side
    1,659,890.87x = 1,741,264,983,079.91
  5. Step 5: Solve for x
    x = 1,741,264,983,079.91/1,659,890.87
  6. Step 6: Final answer
    x = 1,049,023.77

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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.