Home / 1,272,754.46-1,756,407.74-699,831.53

Finding the Fourth Proportional to 1,272,754.46, 1,756,407.74 and 699,831.53

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Solution

The fourth proportional to 1,272,754.46, 1,756,407.74 and 699,831.53 is: 965,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,754.46 : 1,756,407.74 = 699,831.53 : x
  2. Step 2: Convert to fraction form
    1,272,754.46/1,756,407.74 = 699,831.53/x
  3. Step 3: Cross multiply
    1,272,754.46x = 1,756,407.74 × 699,831.53
  4. Step 4: Simplify right side
    1,272,754.46x = 1,229,189,503,706.85
  5. Step 5: Solve for x
    x = 1,229,189,503,706.85/1,272,754.46
  6. Step 6: Final answer
    x = 965,771.13

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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.