Home / 1,020,859.41-1,531,172.38-272,963.73

Finding the Fourth Proportional to 1,020,859.41, 1,531,172.38 and 272,963.73

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Solution

The fourth proportional to 1,020,859.41, 1,531,172.38 and 272,963.73 is: 409,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,859.41 : 1,531,172.38 = 272,963.73 : x
  2. Step 2: Convert to fraction form
    1,020,859.41/1,531,172.38 = 272,963.73/x
  3. Step 3: Cross multiply
    1,020,859.41x = 1,531,172.38 × 272,963.73
  4. Step 4: Simplify right side
    1,020,859.41x = 417,954,529,689.07
  5. Step 5: Solve for x
    x = 417,954,529,689.07/1,020,859.41
  6. Step 6: Final answer
    x = 409,414.39

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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.