Home / 1,272,732.24-1,756,370.64-699,811.20

Finding the Fourth Proportional to 1,272,732.24, 1,756,370.64 and 699,811.20

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Solution

The fourth proportional to 1,272,732.24, 1,756,370.64 and 699,811.20 is: 965,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,732.24 : 1,756,370.64 = 699,811.20 : x
  2. Step 2: Convert to fraction form
    1,272,732.24/1,756,370.64 = 699,811.20/x
  3. Step 3: Cross multiply
    1,272,732.24x = 1,756,370.64 × 699,811.20
  4. Step 4: Simplify right side
    1,272,732.24x = 1,229,127,845,223.17
  5. Step 5: Solve for x
    x = 1,229,127,845,223.17/1,272,732.24
  6. Step 6: Final answer
    x = 965,739.54

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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.