Home / 1,220,936.94-1,831,156-462,516.93

Finding the Fourth Proportional to 1,220,936.94, 1,831,156 and 462,516.93

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Solution

The fourth proportional to 1,220,936.94, 1,831,156 and 462,516.93 is: 693,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,936.94 : 1,831,156 = 462,516.93 : x
  2. Step 2: Convert to fraction form
    1,220,936.94/1,831,156 = 462,516.93/x
  3. Step 3: Cross multiply
    1,220,936.94x = 1,831,156 × 462,516.93
  4. Step 4: Simplify right side
    1,220,936.94x = 846,940,651,471.08
  5. Step 5: Solve for x
    x = 846,940,651,471.08/1,220,936.94
  6. Step 6: Final answer
    x = 693,680.91

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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.