Home / 1,202,161.86-1,658,983.32-658,330.89

Finding the Fourth Proportional to 1,202,161.86, 1,658,983.32 and 658,330.89

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Solution

The fourth proportional to 1,202,161.86, 1,658,983.32 and 658,330.89 is: 908,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,161.86 : 1,658,983.32 = 658,330.89 : x
  2. Step 2: Convert to fraction form
    1,202,161.86/1,658,983.32 = 658,330.89/x
  3. Step 3: Cross multiply
    1,202,161.86x = 1,658,983.32 × 658,330.89
  4. Step 4: Simplify right side
    1,202,161.86x = 1,092,159,965,550.75
  5. Step 5: Solve for x
    x = 1,092,159,965,550.75/1,202,161.86
  6. Step 6: Final answer
    x = 908,496.60

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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.