Home / 1,267,791.52-1,901,687.26-768,105.76

Finding the Fourth Proportional to 1,267,791.52, 1,901,687.26 and 768,105.76

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Solution

The fourth proportional to 1,267,791.52, 1,901,687.26 and 768,105.76 is: 1,152,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,791.52 : 1,901,687.26 = 768,105.76 : x
  2. Step 2: Convert to fraction form
    1,267,791.52/1,901,687.26 = 768,105.76/x
  3. Step 3: Cross multiply
    1,267,791.52x = 1,901,687.26 × 768,105.76
  4. Step 4: Simplify right side
    1,267,791.52x = 1,460,696,938,124.62
  5. Step 5: Solve for x
    x = 1,460,696,938,124.62/1,267,791.52
  6. Step 6: Final answer
    x = 1,152,158.63

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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.