Home / 1,215,226.40-1,822,666.80-416,544.80

Finding the Fourth Proportional to 1,215,226.40, 1,822,666.80 and 416,544.80

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Solution

The fourth proportional to 1,215,226.40, 1,822,666.80 and 416,544.80 is: 624,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,226.40 : 1,822,666.80 = 416,544.80 : x
  2. Step 2: Convert to fraction form
    1,215,226.40/1,822,666.80 = 416,544.80/x
  3. Step 3: Cross multiply
    1,215,226.40x = 1,822,666.80 × 416,544.80
  4. Step 4: Simplify right side
    1,215,226.40x = 759,222,377,672.64
  5. Step 5: Solve for x
    x = 759,222,377,672.64/1,215,226.40
  6. Step 6: Final answer
    x = 624,757.97

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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.