Home / 921,469.80-1,382,204.70-868,981.80

Finding the Fourth Proportional to 921,469.80, 1,382,204.70 and 868,981.80

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Solution

The fourth proportional to 921,469.80, 1,382,204.70 and 868,981.80 is: 1,303,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,469.80 : 1,382,204.70 = 868,981.80 : x
  2. Step 2: Convert to fraction form
    921,469.80/1,382,204.70 = 868,981.80/x
  3. Step 3: Cross multiply
    921,469.80x = 1,382,204.70 × 868,981.80
  4. Step 4: Simplify right side
    921,469.80x = 1,201,110,728,174.46
  5. Step 5: Solve for x
    x = 1,201,110,728,174.46/921,469.80
  6. Step 6: Final answer
    x = 1,303,472.70

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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.