Home / 1,198,193.32-1,796,790.30-487,739.08

Finding the Fourth Proportional to 1,198,193.32, 1,796,790.30 and 487,739.08

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Solution

The fourth proportional to 1,198,193.32, 1,796,790.30 and 487,739.08 is: 731,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,193.32 : 1,796,790.30 = 487,739.08 : x
  2. Step 2: Convert to fraction form
    1,198,193.32/1,796,790.30 = 487,739.08/x
  3. Step 3: Cross multiply
    1,198,193.32x = 1,796,790.30 × 487,739.08
  4. Step 4: Simplify right side
    1,198,193.32x = 876,364,847,874.92
  5. Step 5: Solve for x
    x = 876,364,847,874.92/1,198,193.32
  6. Step 6: Final answer
    x = 731,405.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.