Home / 1,085,644.60-1,628,466.90-455,270.20

Finding the Fourth Proportional to 1,085,644.60, 1,628,466.90 and 455,270.20

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Solution

The fourth proportional to 1,085,644.60, 1,628,466.90 and 455,270.20 is: 682,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,644.60 : 1,628,466.90 = 455,270.20 : x
  2. Step 2: Convert to fraction form
    1,085,644.60/1,628,466.90 = 455,270.20/x
  3. Step 3: Cross multiply
    1,085,644.60x = 1,628,466.90 × 455,270.20
  4. Step 4: Simplify right side
    1,085,644.60x = 741,392,451,256.38
  5. Step 5: Solve for x
    x = 741,392,451,256.38/1,085,644.60
  6. Step 6: Final answer
    x = 682,905.30

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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.