Home / 1,272,894.88-1,756,534.80-699,959.20

Finding the Fourth Proportional to 1,272,894.88, 1,756,534.80 and 699,959.20

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Solution

The fourth proportional to 1,272,894.88, 1,756,534.80 and 699,959.20 is: 965,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,894.88 : 1,756,534.80 = 699,959.20 : x
  2. Step 2: Convert to fraction form
    1,272,894.88/1,756,534.80 = 699,959.20/x
  3. Step 3: Cross multiply
    1,272,894.88x = 1,756,534.80 × 699,959.20
  4. Step 4: Simplify right side
    1,272,894.88x = 1,229,502,693,380.16
  5. Step 5: Solve for x
    x = 1,229,502,693,380.16/1,272,894.88
  6. Step 6: Final answer
    x = 965,910.63

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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.