Home / 865,380.51-1,187,868.85-767,752.83

Finding the Fourth Proportional to 865,380.51, 1,187,868.85 and 767,752.83

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Solution

The fourth proportional to 865,380.51, 1,187,868.85 and 767,752.83 is: 1,053,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,380.51 : 1,187,868.85 = 767,752.83 : x
  2. Step 2: Convert to fraction form
    865,380.51/1,187,868.85 = 767,752.83/x
  3. Step 3: Cross multiply
    865,380.51x = 1,187,868.85 × 767,752.83
  4. Step 4: Simplify right side
    865,380.51x = 911,989,669,336.96
  5. Step 5: Solve for x
    x = 911,989,669,336.96/865,380.51
  6. Step 6: Final answer
    x = 1,053,859.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.