Home / 1,275,704.54-1,913,508.97-316,163.31

Finding the Fourth Proportional to 1,275,704.54, 1,913,508.97 and 316,163.31

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Solution

The fourth proportional to 1,275,704.54, 1,913,508.97 and 316,163.31 is: 474,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,704.54 : 1,913,508.97 = 316,163.31 : x
  2. Step 2: Convert to fraction form
    1,275,704.54/1,913,508.97 = 316,163.31/x
  3. Step 3: Cross multiply
    1,275,704.54x = 1,913,508.97 × 316,163.31
  4. Step 4: Simplify right side
    1,275,704.54x = 604,981,329,669.89
  5. Step 5: Solve for x
    x = 604,981,329,669.89/1,275,704.54
  6. Step 6: Final answer
    x = 474,233.11

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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.