Home / 1,213,372.50-1,820,324.37-371,989.86

Finding the Fourth Proportional to 1,213,372.50, 1,820,324.37 and 371,989.86

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Solution

The fourth proportional to 1,213,372.50, 1,820,324.37 and 371,989.86 is: 558,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,372.50 : 1,820,324.37 = 371,989.86 : x
  2. Step 2: Convert to fraction form
    1,213,372.50/1,820,324.37 = 371,989.86/x
  3. Step 3: Cross multiply
    1,213,372.50x = 1,820,324.37 × 371,989.86
  4. Step 4: Simplify right side
    1,213,372.50x = 677,142,207,550.89
  5. Step 5: Solve for x
    x = 677,142,207,550.89/1,213,372.50
  6. Step 6: Final answer
    x = 558,066.22

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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.