Home / 1,708,859.82-2,561,781.21-644,649.22

Finding the Fourth Proportional to 1,708,859.82, 2,561,781.21 and 644,649.22

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Solution

The fourth proportional to 1,708,859.82, 2,561,781.21 and 644,649.22 is: 966,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,859.82 : 2,561,781.21 = 644,649.22 : x
  2. Step 2: Convert to fraction form
    1,708,859.82/2,561,781.21 = 644,649.22/x
  3. Step 3: Cross multiply
    1,708,859.82x = 2,561,781.21 × 644,649.22
  4. Step 4: Simplify right side
    1,708,859.82x = 1,651,450,258,837.16
  5. Step 5: Solve for x
    x = 1,651,450,258,837.16/1,708,859.82
  6. Step 6: Final answer
    x = 966,404.76

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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.