Home / 1,333,699.72-1,999,081.80-658,781.80

Finding the Fourth Proportional to 1,333,699.72, 1,999,081.80 and 658,781.80

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Solution

The fourth proportional to 1,333,699.72, 1,999,081.80 and 658,781.80 is: 987,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,699.72 : 1,999,081.80 = 658,781.80 : x
  2. Step 2: Convert to fraction form
    1,333,699.72/1,999,081.80 = 658,781.80/x
  3. Step 3: Cross multiply
    1,333,699.72x = 1,999,081.80 × 658,781.80
  4. Step 4: Simplify right side
    1,333,699.72x = 1,316,958,706,551.24
  5. Step 5: Solve for x
    x = 1,316,958,706,551.24/1,333,699.72
  6. Step 6: Final answer
    x = 987,447.69

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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.