Home / 1,315,611.96-1,815,493.26-825,844.92

Finding the Fourth Proportional to 1,315,611.96, 1,815,493.26 and 825,844.92

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Solution

The fourth proportional to 1,315,611.96, 1,815,493.26 and 825,844.92 is: 1,139,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,611.96 : 1,815,493.26 = 825,844.92 : x
  2. Step 2: Convert to fraction form
    1,315,611.96/1,815,493.26 = 825,844.92/x
  3. Step 3: Cross multiply
    1,315,611.96x = 1,815,493.26 × 825,844.92
  4. Step 4: Simplify right side
    1,315,611.96x = 1,499,315,886,065.24
  5. Step 5: Solve for x
    x = 1,499,315,886,065.24/1,315,611.96
  6. Step 6: Final answer
    x = 1,139,633.82

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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.