Home / 1,272,330.76-1,755,796.77-699,358.62

Finding the Fourth Proportional to 1,272,330.76, 1,755,796.77 and 699,358.62

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Solution

The fourth proportional to 1,272,330.76, 1,755,796.77 and 699,358.62 is: 965,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,330.76 : 1,755,796.77 = 699,358.62 : x
  2. Step 2: Convert to fraction form
    1,272,330.76/1,755,796.77 = 699,358.62/x
  3. Step 3: Cross multiply
    1,272,330.76x = 1,755,796.77 × 699,358.62
  4. Step 4: Simplify right side
    1,272,330.76x = 1,227,931,606,067.66
  5. Step 5: Solve for x
    x = 1,227,931,606,067.66/1,272,330.76
  6. Step 6: Final answer
    x = 965,104.08

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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.