Home / 1,226,011.97-1,839,028.20-427,292.22

Finding the Fourth Proportional to 1,226,011.97, 1,839,028.20 and 427,292.22

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Solution

The fourth proportional to 1,226,011.97, 1,839,028.20 and 427,292.22 is: 640,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,011.97 : 1,839,028.20 = 427,292.22 : x
  2. Step 2: Convert to fraction form
    1,226,011.97/1,839,028.20 = 427,292.22/x
  3. Step 3: Cross multiply
    1,226,011.97x = 1,839,028.20 × 427,292.22
  4. Step 4: Simplify right side
    1,226,011.97x = 785,802,442,220.60
  5. Step 5: Solve for x
    x = 785,802,442,220.60/1,226,011.97
  6. Step 6: Final answer
    x = 640,941.90

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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.