Home / 1,138,834.86-1,571,517.21-655,321.96

Finding the Fourth Proportional to 1,138,834.86, 1,571,517.21 and 655,321.96

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Solution

The fourth proportional to 1,138,834.86, 1,571,517.21 and 655,321.96 is: 904,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,834.86 : 1,571,517.21 = 655,321.96 : x
  2. Step 2: Convert to fraction form
    1,138,834.86/1,571,517.21 = 655,321.96/x
  3. Step 3: Cross multiply
    1,138,834.86x = 1,571,517.21 × 655,321.96
  4. Step 4: Simplify right side
    1,138,834.86x = 1,029,849,738,230.93
  5. Step 5: Solve for x
    x = 1,029,849,738,230.93/1,138,834.86
  6. Step 6: Final answer
    x = 904,301.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.