Home / 1,445,616.88-1,994,995.02-800,976.76

Finding the Fourth Proportional to 1,445,616.88, 1,994,995.02 and 800,976.76

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Solution

The fourth proportional to 1,445,616.88, 1,994,995.02 and 800,976.76 is: 1,105,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,616.88 : 1,994,995.02 = 800,976.76 : x
  2. Step 2: Convert to fraction form
    1,445,616.88/1,994,995.02 = 800,976.76/x
  3. Step 3: Cross multiply
    1,445,616.88x = 1,994,995.02 × 800,976.76
  4. Step 4: Simplify right side
    1,445,616.88x = 1,597,944,647,335.74
  5. Step 5: Solve for x
    x = 1,597,944,647,335.74/1,445,616.88
  6. Step 6: Final answer
    x = 1,105,372.16

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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.