Home / 1,081,221.84-1,622,061.72-323,122.32

Finding the Fourth Proportional to 1,081,221.84, 1,622,061.72 and 323,122.32

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Solution

The fourth proportional to 1,081,221.84, 1,622,061.72 and 323,122.32 is: 484,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,221.84 : 1,622,061.72 = 323,122.32 : x
  2. Step 2: Convert to fraction form
    1,081,221.84/1,622,061.72 = 323,122.32/x
  3. Step 3: Cross multiply
    1,081,221.84x = 1,622,061.72 × 323,122.32
  4. Step 4: Simplify right side
    1,081,221.84x = 524,124,346,149.59
  5. Step 5: Solve for x
    x = 524,124,346,149.59/1,081,221.84
  6. Step 6: Final answer
    x = 484,751.90

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Double scale
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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.