Home / 1,019,389.62-1,525,757.30-749,446.38

Finding the Fourth Proportional to 1,019,389.62, 1,525,757.30 and 749,446.38

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Solution

The fourth proportional to 1,019,389.62, 1,525,757.30 and 749,446.38 is: 1,121,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,389.62 : 1,525,757.30 = 749,446.38 : x
  2. Step 2: Convert to fraction form
    1,019,389.62/1,525,757.30 = 749,446.38/x
  3. Step 3: Cross multiply
    1,019,389.62x = 1,525,757.30 × 749,446.38
  4. Step 4: Simplify right side
    1,019,389.62x = 1,143,473,285,243.57
  5. Step 5: Solve for x
    x = 1,143,473,285,243.57/1,019,389.62
  6. Step 6: Final answer
    x = 1,121,723.49

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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.