Home / 1,253,987.16-1,731,219.54-825,512.82

Finding the Fourth Proportional to 1,253,987.16, 1,731,219.54 and 825,512.82

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Solution

The fourth proportional to 1,253,987.16, 1,731,219.54 and 825,512.82 is: 1,139,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,987.16 : 1,731,219.54 = 825,512.82 : x
  2. Step 2: Convert to fraction form
    1,253,987.16/1,731,219.54 = 825,512.82/x
  3. Step 3: Cross multiply
    1,253,987.16x = 1,731,219.54 × 825,512.82
  4. Step 4: Simplify right side
    1,253,987.16x = 1,429,143,924,504.50
  5. Step 5: Solve for x
    x = 1,429,143,924,504.50/1,253,987.16
  6. Step 6: Final answer
    x = 1,139,679.87

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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.