Home / 1,330,783.70-1,996,175.55-489,226.10

Finding the Fourth Proportional to 1,330,783.70, 1,996,175.55 and 489,226.10

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Solution

The fourth proportional to 1,330,783.70, 1,996,175.55 and 489,226.10 is: 733,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,783.70 : 1,996,175.55 = 489,226.10 : x
  2. Step 2: Convert to fraction form
    1,330,783.70/1,996,175.55 = 489,226.10/x
  3. Step 3: Cross multiply
    1,330,783.70x = 1,996,175.55 × 489,226.10
  4. Step 4: Simplify right side
    1,330,783.70x = 976,581,179,241.86
  5. Step 5: Solve for x
    x = 976,581,179,241.86/1,330,783.70
  6. Step 6: Final answer
    x = 733,839.15

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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.