Home / 1,510,639.72-2,084,682.90-831,571

Finding the Fourth Proportional to 1,510,639.72, 2,084,682.90 and 831,571

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Solution

The fourth proportional to 1,510,639.72, 2,084,682.90 and 831,571 is: 1,147,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,639.72 : 2,084,682.90 = 831,571 : x
  2. Step 2: Convert to fraction form
    1,510,639.72/2,084,682.90 = 831,571/x
  3. Step 3: Cross multiply
    1,510,639.72x = 2,084,682.90 × 831,571
  4. Step 4: Simplify right side
    1,510,639.72x = 1,733,561,843,835.90
  5. Step 5: Solve for x
    x = 1,733,561,843,835.90/1,510,639.72
  6. Step 6: Final answer
    x = 1,147,568.03

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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.