Home / 851,811.60-1,277,717.40-773,079.60

Finding the Fourth Proportional to 851,811.60, 1,277,717.40 and 773,079.60

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Solution

The fourth proportional to 851,811.60, 1,277,717.40 and 773,079.60 is: 1,159,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,811.60 : 1,277,717.40 = 773,079.60 : x
  2. Step 2: Convert to fraction form
    851,811.60/1,277,717.40 = 773,079.60/x
  3. Step 3: Cross multiply
    851,811.60x = 1,277,717.40 × 773,079.60
  4. Step 4: Simplify right side
    851,811.60x = 987,777,256,505.04
  5. Step 5: Solve for x
    x = 987,777,256,505.04/851,811.60
  6. Step 6: Final answer
    x = 1,159,619.40

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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.