Home / 772,105.60-1,156,084.80-772,105.60

Finding the Fourth Proportional to 772,105.60, 1,156,084.80 and 772,105.60

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Solution

The fourth proportional to 772,105.60, 1,156,084.80 and 772,105.60 is: 1,156,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,105.60 : 1,156,084.80 = 772,105.60 : x
  2. Step 2: Convert to fraction form
    772,105.60/1,156,084.80 = 772,105.60/x
  3. Step 3: Cross multiply
    772,105.60x = 1,156,084.80 × 772,105.60
  4. Step 4: Simplify right side
    772,105.60x = 892,619,548,154.88
  5. Step 5: Solve for x
    x = 892,619,548,154.88/772,105.60
  6. Step 6: Final answer
    x = 1,156,084.80

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1.5x scale

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.