Home / 1,148,660.39-1,722,990.18-307,190.27

Finding the Fourth Proportional to 1,148,660.39, 1,722,990.18 and 307,190.27

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Solution

The fourth proportional to 1,148,660.39, 1,722,990.18 and 307,190.27 is: 460,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,660.39 : 1,722,990.18 = 307,190.27 : x
  2. Step 2: Convert to fraction form
    1,148,660.39/1,722,990.18 = 307,190.27/x
  3. Step 3: Cross multiply
    1,148,660.39x = 1,722,990.18 × 307,190.27
  4. Step 4: Simplify right side
    1,148,660.39x = 529,285,824,060.99
  5. Step 5: Solve for x
    x = 529,285,824,060.99/1,148,660.39
  6. Step 6: Final answer
    x = 460,785.30

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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.