Home / 1,082,009.25-1,621,959.08-451,103.49

Finding the Fourth Proportional to 1,082,009.25, 1,621,959.08 and 451,103.49

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Solution

The fourth proportional to 1,082,009.25, 1,621,959.08 and 451,103.49 is: 676,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,009.25 : 1,621,959.08 = 451,103.49 : x
  2. Step 2: Convert to fraction form
    1,082,009.25/1,621,959.08 = 451,103.49/x
  3. Step 3: Cross multiply
    1,082,009.25x = 1,621,959.08 × 451,103.49
  4. Step 4: Simplify right side
    1,082,009.25x = 731,671,399,369.67
  5. Step 5: Solve for x
    x = 731,671,399,369.67/1,082,009.25
  6. Step 6: Final answer
    x = 676,215.48

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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.