Home / 1,333,703.72-1,999,087.80-658,785.80

Finding the Fourth Proportional to 1,333,703.72, 1,999,087.80 and 658,785.80

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Solution

The fourth proportional to 1,333,703.72, 1,999,087.80 and 658,785.80 is: 987,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,703.72 : 1,999,087.80 = 658,785.80 : x
  2. Step 2: Convert to fraction form
    1,333,703.72/1,999,087.80 = 658,785.80/x
  3. Step 3: Cross multiply
    1,333,703.72x = 1,999,087.80 × 658,785.80
  4. Step 4: Simplify right side
    1,333,703.72x = 1,316,970,655,593.24
  5. Step 5: Solve for x
    x = 1,316,970,655,593.24/1,333,703.72
  6. Step 6: Final answer
    x = 987,453.69

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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.