Home / 1,263,134.52-1,743,137.82-690,174.63

Finding the Fourth Proportional to 1,263,134.52, 1,743,137.82 and 690,174.63

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Solution

The fourth proportional to 1,263,134.52, 1,743,137.82 and 690,174.63 is: 952,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,134.52 : 1,743,137.82 = 690,174.63 : x
  2. Step 2: Convert to fraction form
    1,263,134.52/1,743,137.82 = 690,174.63/x
  3. Step 3: Cross multiply
    1,263,134.52x = 1,743,137.82 × 690,174.63
  4. Step 4: Simplify right side
    1,263,134.52x = 1,203,069,499,957.51
  5. Step 5: Solve for x
    x = 1,203,069,499,957.51/1,263,134.52
  6. Step 6: Final answer
    x = 952,447.65

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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.