Home / 1,328,169.73-1,991,562.85-474,912.49

Finding the Fourth Proportional to 1,328,169.73, 1,991,562.85 and 474,912.49

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Solution

The fourth proportional to 1,328,169.73, 1,991,562.85 and 474,912.49 is: 712,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,169.73 : 1,991,562.85 = 474,912.49 : x
  2. Step 2: Convert to fraction form
    1,328,169.73/1,991,562.85 = 474,912.49/x
  3. Step 3: Cross multiply
    1,328,169.73x = 1,991,562.85 × 474,912.49
  4. Step 4: Simplify right side
    1,328,169.73x = 945,818,072,085.00
  5. Step 5: Solve for x
    x = 945,818,072,085.00/1,328,169.73
  6. Step 6: Final answer
    x = 712,121.39

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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.