Home / 1,368,729.92-1,888,859.52-756,923.86

Finding the Fourth Proportional to 1,368,729.92, 1,888,859.52 and 756,923.86

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Solution

The fourth proportional to 1,368,729.92, 1,888,859.52 and 756,923.86 is: 1,044,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,729.92 : 1,888,859.52 = 756,923.86 : x
  2. Step 2: Convert to fraction form
    1,368,729.92/1,888,859.52 = 756,923.86/x
  3. Step 3: Cross multiply
    1,368,729.92x = 1,888,859.52 × 756,923.86
  4. Step 4: Simplify right side
    1,368,729.92x = 1,429,722,841,237.22
  5. Step 5: Solve for x
    x = 1,429,722,841,237.22/1,368,729.92
  6. Step 6: Final answer
    x = 1,044,561.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.