Home / 1,213,940.94-1,675,238.58-670,076.88

Finding the Fourth Proportional to 1,213,940.94, 1,675,238.58 and 670,076.88

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Solution

The fourth proportional to 1,213,940.94, 1,675,238.58 and 670,076.88 is: 924,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,940.94 : 1,675,238.58 = 670,076.88 : x
  2. Step 2: Convert to fraction form
    1,213,940.94/1,675,238.58 = 670,076.88/x
  3. Step 3: Cross multiply
    1,213,940.94x = 1,675,238.58 × 670,076.88
  4. Step 4: Simplify right side
    1,213,940.94x = 1,122,538,640,942.03
  5. Step 5: Solve for x
    x = 1,122,538,640,942.03/1,213,940.94
  6. Step 6: Final answer
    x = 924,706.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.