Home / 1,631,328.72-2,443,265.79-778,997.37

Finding the Fourth Proportional to 1,631,328.72, 2,443,265.79 and 778,997.37

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Solution

The fourth proportional to 1,631,328.72, 2,443,265.79 and 778,997.37 is: 1,166,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,328.72 : 2,443,265.79 = 778,997.37 : x
  2. Step 2: Convert to fraction form
    1,631,328.72/2,443,265.79 = 778,997.37/x
  3. Step 3: Cross multiply
    1,631,328.72x = 2,443,265.79 × 778,997.37
  4. Step 4: Simplify right side
    1,631,328.72x = 1,903,297,624,620.97
  5. Step 5: Solve for x
    x = 1,903,297,624,620.97/1,631,328.72
  6. Step 6: Final answer
    x = 1,166,716.19

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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.