Home / 851,324.73-1,276,987.10-808,754.78

Finding the Fourth Proportional to 851,324.73, 1,276,987.10 and 808,754.78

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Solution

The fourth proportional to 851,324.73, 1,276,987.10 and 808,754.78 is: 1,213,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,324.73 : 1,276,987.10 = 808,754.78 : x
  2. Step 2: Convert to fraction form
    851,324.73/1,276,987.10 = 808,754.78/x
  3. Step 3: Cross multiply
    851,324.73x = 1,276,987.10 × 808,754.78
  4. Step 4: Simplify right side
    851,324.73x = 1,032,769,410,694.63
  5. Step 5: Solve for x
    x = 1,032,769,410,694.63/851,324.73
  6. Step 6: Final answer
    x = 1,213,132.16

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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.