Home / 851,330.89-1,276,996.34-808,760.94

Finding the Fourth Proportional to 851,330.89, 1,276,996.34 and 808,760.94

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Solution

The fourth proportional to 851,330.89, 1,276,996.34 and 808,760.94 is: 1,213,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,330.89 : 1,276,996.34 = 808,760.94 : x
  2. Step 2: Convert to fraction form
    851,330.89/1,276,996.34 = 808,760.94/x
  3. Step 3: Cross multiply
    851,330.89x = 1,276,996.34 × 808,760.94
  4. Step 4: Simplify right side
    851,330.89x = 1,032,784,760,314.96
  5. Step 5: Solve for x
    x = 1,032,784,760,314.96/851,330.89
  6. Step 6: Final answer
    x = 1,213,141.41

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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.