Home / 1,510,072.89-2,083,900.94-831,009.39

Finding the Fourth Proportional to 1,510,072.89, 2,083,900.94 and 831,009.39

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Solution

The fourth proportional to 1,510,072.89, 2,083,900.94 and 831,009.39 is: 1,146,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,072.89 : 2,083,900.94 = 831,009.39 : x
  2. Step 2: Convert to fraction form
    1,510,072.89/2,083,900.94 = 831,009.39/x
  3. Step 3: Cross multiply
    1,510,072.89x = 2,083,900.94 × 831,009.39
  4. Step 4: Simplify right side
    1,510,072.89x = 1,731,741,244,814.78
  5. Step 5: Solve for x
    x = 1,731,741,244,814.78/1,510,072.89
  6. Step 6: Final answer
    x = 1,146,793.15

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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.