Home / 1,539,609.56-2,308,625.80-820,361.15

Finding the Fourth Proportional to 1,539,609.56, 2,308,625.80 and 820,361.15

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Solution

The fourth proportional to 1,539,609.56, 2,308,625.80 and 820,361.15 is: 1,230,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,609.56 : 2,308,625.80 = 820,361.15 : x
  2. Step 2: Convert to fraction form
    1,539,609.56/2,308,625.80 = 820,361.15/x
  3. Step 3: Cross multiply
    1,539,609.56x = 2,308,625.80 × 820,361.15
  4. Step 4: Simplify right side
    1,539,609.56x = 1,893,906,916,207.67
  5. Step 5: Solve for x
    x = 1,893,906,916,207.67/1,539,609.56
  6. Step 6: Final answer
    x = 1,230,121.56

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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.