Home / 945,359.21-1,305,234.54-727,180.45

Finding the Fourth Proportional to 945,359.21, 1,305,234.54 and 727,180.45

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Solution

The fourth proportional to 945,359.21, 1,305,234.54 and 727,180.45 is: 1,004,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,359.21 : 1,305,234.54 = 727,180.45 : x
  2. Step 2: Convert to fraction form
    945,359.21/1,305,234.54 = 727,180.45/x
  3. Step 3: Cross multiply
    945,359.21x = 1,305,234.54 × 727,180.45
  4. Step 4: Simplify right side
    945,359.21x = 949,141,033,626.57
  5. Step 5: Solve for x
    x = 949,141,033,626.57/945,359.21
  6. Step 6: Final answer
    x = 1,004,000.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.