Home / 1,682,785.47-2,322,234.75-918,833.55

Finding the Fourth Proportional to 1,682,785.47, 2,322,234.75 and 918,833.55

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Solution

The fourth proportional to 1,682,785.47, 2,322,234.75 and 918,833.55 is: 1,267,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,785.47 : 2,322,234.75 = 918,833.55 : x
  2. Step 2: Convert to fraction form
    1,682,785.47/2,322,234.75 = 918,833.55/x
  3. Step 3: Cross multiply
    1,682,785.47x = 2,322,234.75 × 918,833.55
  4. Step 4: Simplify right side
    1,682,785.47x = 2,133,747,199,275.86
  5. Step 5: Solve for x
    x = 2,133,747,199,275.86/1,682,785.47
  6. Step 6: Final answer
    x = 1,267,985.28

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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.