Home / 1,254,782.45-1,731,610.16-681,822.62

Finding the Fourth Proportional to 1,254,782.45, 1,731,610.16 and 681,822.62

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Solution

The fourth proportional to 1,254,782.45, 1,731,610.16 and 681,822.62 is: 940,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,782.45 : 1,731,610.16 = 681,822.62 : x
  2. Step 2: Convert to fraction form
    1,254,782.45/1,731,610.16 = 681,822.62/x
  3. Step 3: Cross multiply
    1,254,782.45x = 1,731,610.16 × 681,822.62
  4. Step 4: Simplify right side
    1,254,782.45x = 1,180,650,976,109.82
  5. Step 5: Solve for x
    x = 1,180,650,976,109.82/1,254,782.45
  6. Step 6: Final answer
    x = 940,920.86

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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.