Home / 1,254,780.62-1,731,608.21-681,820.77

Finding the Fourth Proportional to 1,254,780.62, 1,731,608.21 and 681,820.77

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Solution

The fourth proportional to 1,254,780.62, 1,731,608.21 and 681,820.77 is: 940,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,780.62 : 1,731,608.21 = 681,820.77 : x
  2. Step 2: Convert to fraction form
    1,254,780.62/1,731,608.21 = 681,820.77/x
  3. Step 3: Cross multiply
    1,254,780.62x = 1,731,608.21 × 681,820.77
  4. Step 4: Simplify right side
    1,254,780.62x = 1,180,646,443,080.52
  5. Step 5: Solve for x
    x = 1,180,646,443,080.52/1,254,780.62
  6. Step 6: Final answer
    x = 940,918.61

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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.