Home / 851,230.80-1,276,846.20-838,789.20

Finding the Fourth Proportional to 851,230.80, 1,276,846.20 and 838,789.20

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Solution

The fourth proportional to 851,230.80, 1,276,846.20 and 838,789.20 is: 1,258,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,230.80 : 1,276,846.20 = 838,789.20 : x
  2. Step 2: Convert to fraction form
    851,230.80/1,276,846.20 = 838,789.20/x
  3. Step 3: Cross multiply
    851,230.80x = 1,276,846.20 × 838,789.20
  4. Step 4: Simplify right side
    851,230.80x = 1,071,004,802,621.04
  5. Step 5: Solve for x
    x = 1,071,004,802,621.04/851,230.80
  6. Step 6: Final answer
    x = 1,258,183.80

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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.