Home / 1,682,578.70-2,321,946.48-918,632.26

Finding the Fourth Proportional to 1,682,578.70, 2,321,946.48 and 918,632.26

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Solution

The fourth proportional to 1,682,578.70, 2,321,946.48 and 918,632.26 is: 1,267,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,578.70 : 2,321,946.48 = 918,632.26 : x
  2. Step 2: Convert to fraction form
    1,682,578.70/2,321,946.48 = 918,632.26/x
  3. Step 3: Cross multiply
    1,682,578.70x = 2,321,946.48 × 918,632.26
  4. Step 4: Simplify right side
    1,682,578.70x = 2,133,014,942,521.44
  5. Step 5: Solve for x
    x = 2,133,014,942,521.44/1,682,578.70
  6. Step 6: Final answer
    x = 1,267,705.90

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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.