Home / 1,214,138.52-1,675,517.49-670,264.38

Finding the Fourth Proportional to 1,214,138.52, 1,675,517.49 and 670,264.38

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Solution

The fourth proportional to 1,214,138.52, 1,675,517.49 and 670,264.38 is: 924,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,138.52 : 1,675,517.49 = 670,264.38 : x
  2. Step 2: Convert to fraction form
    1,214,138.52/1,675,517.49 = 670,264.38/x
  3. Step 3: Cross multiply
    1,214,138.52x = 1,675,517.49 × 670,264.38
  4. Step 4: Simplify right side
    1,214,138.52x = 1,123,039,691,614.01
  5. Step 5: Solve for x
    x = 1,123,039,691,614.01/1,214,138.52
  6. Step 6: Final answer
    x = 924,968.34

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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.