Home / 1,011,201-1,517,244.30-479,102.28

Finding the Fourth Proportional to 1,011,201, 1,517,244.30 and 479,102.28

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Solution

The fourth proportional to 1,011,201, 1,517,244.30 and 479,102.28 is: 718,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,201 : 1,517,244.30 = 479,102.28 : x
  2. Step 2: Convert to fraction form
    1,011,201/1,517,244.30 = 479,102.28/x
  3. Step 3: Cross multiply
    1,011,201x = 1,517,244.30 × 479,102.28
  4. Step 4: Simplify right side
    1,011,201x = 726,915,203,447.00
  5. Step 5: Solve for x
    x = 726,915,203,447.00/1,011,201
  6. Step 6: Final answer
    x = 718,863.22

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Double scale
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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.