Home / 1,510,076.90-2,083,906.46-831,013.40

Finding the Fourth Proportional to 1,510,076.90, 2,083,906.46 and 831,013.40

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Solution

The fourth proportional to 1,510,076.90, 2,083,906.46 and 831,013.40 is: 1,146,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,076.90 : 2,083,906.46 = 831,013.40 : x
  2. Step 2: Convert to fraction form
    1,510,076.90/2,083,906.46 = 831,013.40/x
  3. Step 3: Cross multiply
    1,510,076.90x = 2,083,906.46 × 831,013.40
  4. Step 4: Simplify right side
    1,510,076.90x = 1,731,754,192,606.56
  5. Step 5: Solve for x
    x = 1,731,754,192,606.56/1,510,076.90
  6. Step 6: Final answer
    x = 1,146,798.68

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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.