Home / 1,013,231.64-1,519,285.84-414,612.48

Finding the Fourth Proportional to 1,013,231.64, 1,519,285.84 and 414,612.48

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Solution

The fourth proportional to 1,013,231.64, 1,519,285.84 and 414,612.48 is: 621,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,231.64 : 1,519,285.84 = 414,612.48 : x
  2. Step 2: Convert to fraction form
    1,013,231.64/1,519,285.84 = 414,612.48/x
  3. Step 3: Cross multiply
    1,013,231.64x = 1,519,285.84 × 414,612.48
  4. Step 4: Simplify right side
    1,013,231.64x = 629,914,869,951.28
  5. Step 5: Solve for x
    x = 629,914,869,951.28/1,013,231.64
  6. Step 6: Final answer
    x = 621,688.91

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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.