Home / 823,072.10-1,237,232.55-775,832.90

Finding the Fourth Proportional to 823,072.10, 1,237,232.55 and 775,832.90

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Solution

The fourth proportional to 823,072.10, 1,237,232.55 and 775,832.90 is: 1,166,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,072.10 : 1,237,232.55 = 775,832.90 : x
  2. Step 2: Convert to fraction form
    823,072.10/1,237,232.55 = 775,832.90/x
  3. Step 3: Cross multiply
    823,072.10x = 1,237,232.55 × 775,832.90
  4. Step 4: Simplify right side
    823,072.10x = 959,885,717,240.90
  5. Step 5: Solve for x
    x = 959,885,717,240.90/823,072.10
  6. Step 6: Final answer
    x = 1,166,223.13

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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.