Home / 1,308,095.27-1,965,919.59-1,217,278.73

Finding the Fourth Proportional to 1,308,095.27, 1,965,919.59 and 1,217,278.73

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Solution

The fourth proportional to 1,308,095.27, 1,965,919.59 and 1,217,278.73 is: 1,829,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,095.27 : 1,965,919.59 = 1,217,278.73 : x
  2. Step 2: Convert to fraction form
    1,308,095.27/1,965,919.59 = 1,217,278.73/x
  3. Step 3: Cross multiply
    1,308,095.27x = 1,965,919.59 × 1,217,278.73
  4. Step 4: Simplify right side
    1,308,095.27x = 2,393,072,103,288.52
  5. Step 5: Solve for x
    x = 2,393,072,103,288.52/1,308,095.27
  6. Step 6: Final answer
    x = 1,829,432.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.