Home / 1,682,786.47-2,322,236.13-918,834.55

Finding the Fourth Proportional to 1,682,786.47, 2,322,236.13 and 918,834.55

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Solution

The fourth proportional to 1,682,786.47, 2,322,236.13 and 918,834.55 is: 1,267,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,786.47 : 2,322,236.13 = 918,834.55 : x
  2. Step 2: Convert to fraction form
    1,682,786.47/2,322,236.13 = 918,834.55/x
  3. Step 3: Cross multiply
    1,682,786.47x = 2,322,236.13 × 918,834.55
  4. Step 4: Simplify right side
    1,682,786.47x = 2,133,750,789,502.29
  5. Step 5: Solve for x
    x = 2,133,750,789,502.29/1,682,786.47
  6. Step 6: Final answer
    x = 1,267,986.66

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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.