Home / 1,007,905.75-1,512,343.44-628,729.16

Finding the Fourth Proportional to 1,007,905.75, 1,512,343.44 and 628,729.16

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Solution

The fourth proportional to 1,007,905.75, 1,512,343.44 and 628,729.16 is: 943,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,905.75 : 1,512,343.44 = 628,729.16 : x
  2. Step 2: Convert to fraction form
    1,007,905.75/1,512,343.44 = 628,729.16/x
  3. Step 3: Cross multiply
    1,007,905.75x = 1,512,343.44 × 628,729.16
  4. Step 4: Simplify right side
    1,007,905.75x = 950,854,413,100.99
  5. Step 5: Solve for x
    x = 950,854,413,100.99/1,007,905.75
  6. Step 6: Final answer
    x = 943,396.16

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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.