Home / 1,072,521.84-1,608,990.12-407,622

Finding the Fourth Proportional to 1,072,521.84, 1,608,990.12 and 407,622

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Solution

The fourth proportional to 1,072,521.84, 1,608,990.12 and 407,622 is: 611,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,521.84 : 1,608,990.12 = 407,622 : x
  2. Step 2: Convert to fraction form
    1,072,521.84/1,608,990.12 = 407,622/x
  3. Step 3: Cross multiply
    1,072,521.84x = 1,608,990.12 × 407,622
  4. Step 4: Simplify right side
    1,072,521.84x = 655,859,770,694.64
  5. Step 5: Solve for x
    x = 655,859,770,694.64/1,072,521.84
  6. Step 6: Final answer
    x = 611,511.81

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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.