Home / 918,844.32-1,267,919.82-851,134.80

Finding the Fourth Proportional to 918,844.32, 1,267,919.82 and 851,134.80

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Solution

The fourth proportional to 918,844.32, 1,267,919.82 and 851,134.80 is: 1,174,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,844.32 : 1,267,919.82 = 851,134.80 : x
  2. Step 2: Convert to fraction form
    918,844.32/1,267,919.82 = 851,134.80/x
  3. Step 3: Cross multiply
    918,844.32x = 1,267,919.82 × 851,134.80
  4. Step 4: Simplify right side
    918,844.32x = 1,079,170,682,411.74
  5. Step 5: Solve for x
    x = 1,079,170,682,411.74/918,844.32
  6. Step 6: Final answer
    x = 1,174,486.97

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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.