Home / 1,322,115.24-1,823,847.45-863,498.49

Finding the Fourth Proportional to 1,322,115.24, 1,823,847.45 and 863,498.49

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Solution

The fourth proportional to 1,322,115.24, 1,823,847.45 and 863,498.49 is: 1,191,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,115.24 : 1,823,847.45 = 863,498.49 : x
  2. Step 2: Convert to fraction form
    1,322,115.24/1,823,847.45 = 863,498.49/x
  3. Step 3: Cross multiply
    1,322,115.24x = 1,823,847.45 × 863,498.49
  4. Step 4: Simplify right side
    1,322,115.24x = 1,574,889,519,065.35
  5. Step 5: Solve for x
    x = 1,574,889,519,065.35/1,322,115.24
  6. Step 6: Final answer
    x = 1,191,189.29

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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.