Home / 1,497,187.84-2,245,114.68-431,976.73

Finding the Fourth Proportional to 1,497,187.84, 2,245,114.68 and 431,976.73

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Solution

The fourth proportional to 1,497,187.84, 2,245,114.68 and 431,976.73 is: 647,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,187.84 : 2,245,114.68 = 431,976.73 : x
  2. Step 2: Convert to fraction form
    1,497,187.84/2,245,114.68 = 431,976.73/x
  3. Step 3: Cross multiply
    1,497,187.84x = 2,245,114.68 × 431,976.73
  4. Step 4: Simplify right side
    1,497,187.84x = 969,837,297,941.40
  5. Step 5: Solve for x
    x = 969,837,297,941.40/1,497,187.84
  6. Step 6: Final answer
    x = 647,772.63

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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.