Home / 1,226,017.22-1,839,036.09-427,297.47

Finding the Fourth Proportional to 1,226,017.22, 1,839,036.09 and 427,297.47

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Solution

The fourth proportional to 1,226,017.22, 1,839,036.09 and 427,297.47 is: 640,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,017.22 : 1,839,036.09 = 427,297.47 : x
  2. Step 2: Convert to fraction form
    1,226,017.22/1,839,036.09 = 427,297.47/x
  3. Step 3: Cross multiply
    1,226,017.22x = 1,839,036.09 × 427,297.47
  4. Step 4: Simplify right side
    1,226,017.22x = 785,815,468,495.69
  5. Step 5: Solve for x
    x = 785,815,468,495.69/1,226,017.22
  6. Step 6: Final answer
    x = 640,949.78

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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.