Home / 1,272,153.43-1,755,575.56-699,252.31

Finding the Fourth Proportional to 1,272,153.43, 1,755,575.56 and 699,252.31

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Solution

The fourth proportional to 1,272,153.43, 1,755,575.56 and 699,252.31 is: 964,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,153.43 : 1,755,575.56 = 699,252.31 : x
  2. Step 2: Convert to fraction form
    1,272,153.43/1,755,575.56 = 699,252.31/x
  3. Step 3: Cross multiply
    1,272,153.43x = 1,755,575.56 × 699,252.31
  4. Step 4: Simplify right side
    1,272,153.43x = 1,227,590,262,213.28
  5. Step 5: Solve for x
    x = 1,227,590,262,213.28/1,272,153.43
  6. Step 6: Final answer
    x = 964,970.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.