Home / 1,489,589.46-2,232,634.58-689,180.27

Finding the Fourth Proportional to 1,489,589.46, 2,232,634.58 and 689,180.27

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Solution

The fourth proportional to 1,489,589.46, 2,232,634.58 and 689,180.27 is: 1,032,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,589.46 : 2,232,634.58 = 689,180.27 : x
  2. Step 2: Convert to fraction form
    1,489,589.46/2,232,634.58 = 689,180.27/x
  3. Step 3: Cross multiply
    1,489,589.46x = 2,232,634.58 × 689,180.27
  4. Step 4: Simplify right side
    1,489,589.46x = 1,538,687,688,046.66
  5. Step 5: Solve for x
    x = 1,538,687,688,046.66/1,489,589.46
  6. Step 6: Final answer
    x = 1,032,960.91

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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.