Home / 1,166,910.80-1,750,366.20-280,446.80

Finding the Fourth Proportional to 1,166,910.80, 1,750,366.20 and 280,446.80

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Solution

The fourth proportional to 1,166,910.80, 1,750,366.20 and 280,446.80 is: 420,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,910.80 : 1,750,366.20 = 280,446.80 : x
  2. Step 2: Convert to fraction form
    1,166,910.80/1,750,366.20 = 280,446.80/x
  3. Step 3: Cross multiply
    1,166,910.80x = 1,750,366.20 × 280,446.80
  4. Step 4: Simplify right side
    1,166,910.80x = 490,884,599,618.16
  5. Step 5: Solve for x
    x = 490,884,599,618.16/1,166,910.80
  6. Step 6: Final answer
    x = 420,670.20

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Double scale
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Similar ratio
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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.