Home / 1,326,966.75-1,990,450.14-329,694.75

Finding the Fourth Proportional to 1,326,966.75, 1,990,450.14 and 329,694.75

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Solution

The fourth proportional to 1,326,966.75, 1,990,450.14 and 329,694.75 is: 494,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,966.75 : 1,990,450.14 = 329,694.75 : x
  2. Step 2: Convert to fraction form
    1,326,966.75/1,990,450.14 = 329,694.75/x
  3. Step 3: Cross multiply
    1,326,966.75x = 1,990,450.14 × 329,694.75
  4. Step 4: Simplify right side
    1,326,966.75x = 656,240,961,294.77
  5. Step 5: Solve for x
    x = 656,240,961,294.77/1,326,966.75
  6. Step 6: Final answer
    x = 494,542.13

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Double scale
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Similar ratio
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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.