Home / 850,735.60-1,276,103.40-772,003.60

Finding the Fourth Proportional to 850,735.60, 1,276,103.40 and 772,003.60

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Solution

The fourth proportional to 850,735.60, 1,276,103.40 and 772,003.60 is: 1,158,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,735.60 : 1,276,103.40 = 772,003.60 : x
  2. Step 2: Convert to fraction form
    850,735.60/1,276,103.40 = 772,003.60/x
  3. Step 3: Cross multiply
    850,735.60x = 1,276,103.40 × 772,003.60
  4. Step 4: Simplify right side
    850,735.60x = 985,156,418,772.24
  5. Step 5: Solve for x
    x = 985,156,418,772.24/850,735.60
  6. Step 6: Final answer
    x = 1,158,005.40

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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.