Home / 1,219,820.33-1,683,361.94-675,965.18

Finding the Fourth Proportional to 1,219,820.33, 1,683,361.94 and 675,965.18

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Solution

The fourth proportional to 1,219,820.33, 1,683,361.94 and 675,965.18 is: 932,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,820.33 : 1,683,361.94 = 675,965.18 : x
  2. Step 2: Convert to fraction form
    1,219,820.33/1,683,361.94 = 675,965.18/x
  3. Step 3: Cross multiply
    1,219,820.33x = 1,683,361.94 × 675,965.18
  4. Step 4: Simplify right side
    1,219,820.33x = 1,137,894,044,980.61
  5. Step 5: Solve for x
    x = 1,137,894,044,980.61/1,219,820.33
  6. Step 6: Final answer
    x = 932,837.42

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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.