Home / 1,159,242.10-1,738,863.15-823,318.90

Finding the Fourth Proportional to 1,159,242.10, 1,738,863.15 and 823,318.90

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Solution

The fourth proportional to 1,159,242.10, 1,738,863.15 and 823,318.90 is: 1,234,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,242.10 : 1,738,863.15 = 823,318.90 : x
  2. Step 2: Convert to fraction form
    1,159,242.10/1,738,863.15 = 823,318.90/x
  3. Step 3: Cross multiply
    1,159,242.10x = 1,738,863.15 × 823,318.90
  4. Step 4: Simplify right side
    1,159,242.10x = 1,431,638,895,908.54
  5. Step 5: Solve for x
    x = 1,431,638,895,908.54/1,159,242.10
  6. Step 6: Final answer
    x = 1,234,978.35

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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.