Home / 1,333,704.72-1,999,089.30-658,786.80

Finding the Fourth Proportional to 1,333,704.72, 1,999,089.30 and 658,786.80

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Solution

The fourth proportional to 1,333,704.72, 1,999,089.30 and 658,786.80 is: 987,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,704.72 : 1,999,089.30 = 658,786.80 : x
  2. Step 2: Convert to fraction form
    1,333,704.72/1,999,089.30 = 658,786.80/x
  3. Step 3: Cross multiply
    1,333,704.72x = 1,999,089.30 × 658,786.80
  4. Step 4: Simplify right side
    1,333,704.72x = 1,316,973,642,861.24
  5. Step 5: Solve for x
    x = 1,316,973,642,861.24/1,333,704.72
  6. Step 6: Final answer
    x = 987,455.19

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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.