Home / 1,272,929.88-1,756,583.10-699,994.20

Finding the Fourth Proportional to 1,272,929.88, 1,756,583.10 and 699,994.20

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Solution

The fourth proportional to 1,272,929.88, 1,756,583.10 and 699,994.20 is: 965,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,929.88 : 1,756,583.10 = 699,994.20 : x
  2. Step 2: Convert to fraction form
    1,272,929.88/1,756,583.10 = 699,994.20/x
  3. Step 3: Cross multiply
    1,272,929.88x = 1,756,583.10 × 699,994.20
  4. Step 4: Simplify right side
    1,272,929.88x = 1,229,597,981,818.02
  5. Step 5: Solve for x
    x = 1,229,597,981,818.02/1,272,929.88
  6. Step 6: Final answer
    x = 965,958.93

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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.