Home / 1,177,640.60-1,766,721.54-429,684.44

Finding the Fourth Proportional to 1,177,640.60, 1,766,721.54 and 429,684.44

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Solution

The fourth proportional to 1,177,640.60, 1,766,721.54 and 429,684.44 is: 644,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,640.60 : 1,766,721.54 = 429,684.44 : x
  2. Step 2: Convert to fraction form
    1,177,640.60/1,766,721.54 = 429,684.44/x
  3. Step 3: Cross multiply
    1,177,640.60x = 1,766,721.54 × 429,684.44
  4. Step 4: Simplify right side
    1,177,640.60x = 759,132,755,550.84
  5. Step 5: Solve for x
    x = 759,132,755,550.84/1,177,640.60
  6. Step 6: Final answer
    x = 644,621.76

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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.