Home / 1,367,873.30-1,887,894.78-926,147.54

Finding the Fourth Proportional to 1,367,873.30, 1,887,894.78 and 926,147.54

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Solution

The fourth proportional to 1,367,873.30, 1,887,894.78 and 926,147.54 is: 1,278,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,873.30 : 1,887,894.78 = 926,147.54 : x
  2. Step 2: Convert to fraction form
    1,367,873.30/1,887,894.78 = 926,147.54/x
  3. Step 3: Cross multiply
    1,367,873.30x = 1,887,894.78 × 926,147.54
  4. Step 4: Simplify right side
    1,367,873.30x = 1,748,469,106,275.84
  5. Step 5: Solve for x
    x = 1,748,469,106,275.84/1,367,873.30
  6. Step 6: Final answer
    x = 1,278,239.08

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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.