Home / 1,689,828.66-2,534,859.63-491,760.90

Finding the Fourth Proportional to 1,689,828.66, 2,534,859.63 and 491,760.90

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Solution

The fourth proportional to 1,689,828.66, 2,534,859.63 and 491,760.90 is: 737,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,828.66 : 2,534,859.63 = 491,760.90 : x
  2. Step 2: Convert to fraction form
    1,689,828.66/2,534,859.63 = 491,760.90/x
  3. Step 3: Cross multiply
    1,689,828.66x = 2,534,859.63 × 491,760.90
  4. Step 4: Simplify right side
    1,689,828.66x = 1,246,544,853,022.47
  5. Step 5: Solve for x
    x = 1,246,544,853,022.47/1,689,828.66
  6. Step 6: Final answer
    x = 737,675.29

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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.