Home / 851,034.60-1,276,551.90-772,302.60

Finding the Fourth Proportional to 851,034.60, 1,276,551.90 and 772,302.60

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Solution

The fourth proportional to 851,034.60, 1,276,551.90 and 772,302.60 is: 1,158,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,034.60 : 1,276,551.90 = 772,302.60 : x
  2. Step 2: Convert to fraction form
    851,034.60/1,276,551.90 = 772,302.60/x
  3. Step 3: Cross multiply
    851,034.60x = 1,276,551.90 × 772,302.60
  4. Step 4: Simplify right side
    851,034.60x = 985,884,351,404.94
  5. Step 5: Solve for x
    x = 985,884,351,404.94/851,034.60
  6. Step 6: Final answer
    x = 1,158,453.90

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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.