Home / 1,279,998.08-1,766,153.04-770,733.44

Finding the Fourth Proportional to 1,279,998.08, 1,766,153.04 and 770,733.44

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Solution

The fourth proportional to 1,279,998.08, 1,766,153.04 and 770,733.44 is: 1,063,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,998.08 : 1,766,153.04 = 770,733.44 : x
  2. Step 2: Convert to fraction form
    1,279,998.08/1,766,153.04 = 770,733.44/x
  3. Step 3: Cross multiply
    1,279,998.08x = 1,766,153.04 × 770,733.44
  4. Step 4: Simplify right side
    1,279,998.08x = 1,361,233,208,085.66
  5. Step 5: Solve for x
    x = 1,361,233,208,085.66/1,279,998.08
  6. Step 6: Final answer
    x = 1,063,465.04

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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.