Home / 1,254,467.86-1,731,177.78-681,512.13

Finding the Fourth Proportional to 1,254,467.86, 1,731,177.78 and 681,512.13

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Solution

The fourth proportional to 1,254,467.86, 1,731,177.78 and 681,512.13 is: 940,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,467.86 : 1,731,177.78 = 681,512.13 : x
  2. Step 2: Convert to fraction form
    1,254,467.86/1,731,177.78 = 681,512.13/x
  3. Step 3: Cross multiply
    1,254,467.86x = 1,731,177.78 × 681,512.13
  4. Step 4: Simplify right side
    1,254,467.86x = 1,179,818,653,700.80
  5. Step 5: Solve for x
    x = 1,179,818,653,700.80/1,254,467.86
  6. Step 6: Final answer
    x = 940,493.33

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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.