Home / 1,687,615.26-2,531,100.33-505,663.26

Finding the Fourth Proportional to 1,687,615.26, 2,531,100.33 and 505,663.26

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Solution

The fourth proportional to 1,687,615.26, 2,531,100.33 and 505,663.26 is: 758,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,615.26 : 2,531,100.33 = 505,663.26 : x
  2. Step 2: Convert to fraction form
    1,687,615.26/2,531,100.33 = 505,663.26/x
  3. Step 3: Cross multiply
    1,687,615.26x = 2,531,100.33 × 505,663.26
  4. Step 4: Simplify right side
    1,687,615.26x = 1,279,884,444,254.88
  5. Step 5: Solve for x
    x = 1,279,884,444,254.88/1,687,615.26
  6. Step 6: Final answer
    x = 758,398.24

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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.