Home / 1,272,755.96-1,756,409.80-699,833.02

Finding the Fourth Proportional to 1,272,755.96, 1,756,409.80 and 699,833.02

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Solution

The fourth proportional to 1,272,755.96, 1,756,409.80 and 699,833.02 is: 965,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,755.96 : 1,756,409.80 = 699,833.02 : x
  2. Step 2: Convert to fraction form
    1,272,755.96/1,756,409.80 = 699,833.02/x
  3. Step 3: Cross multiply
    1,272,755.96x = 1,756,409.80 × 699,833.02
  4. Step 4: Simplify right side
    1,272,755.96x = 1,229,193,574,691.60
  5. Step 5: Solve for x
    x = 1,229,193,574,691.60/1,272,755.96
  6. Step 6: Final answer
    x = 965,773.18

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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.