Home / 1,682,143.20-2,321,276.54-956,922.66

Finding the Fourth Proportional to 1,682,143.20, 2,321,276.54 and 956,922.66

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Solution

The fourth proportional to 1,682,143.20, 2,321,276.54 and 956,922.66 is: 1,320,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,143.20 : 2,321,276.54 = 956,922.66 : x
  2. Step 2: Convert to fraction form
    1,682,143.20/2,321,276.54 = 956,922.66/x
  3. Step 3: Cross multiply
    1,682,143.20x = 2,321,276.54 × 956,922.66
  4. Step 4: Simplify right side
    1,682,143.20x = 2,221,282,116,467.78
  5. Step 5: Solve for x
    x = 2,221,282,116,467.78/1,682,143.20
  6. Step 6: Final answer
    x = 1,320,507.15

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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.