Home / 1,177,296.75-1,766,208.38-429,342.75

Finding the Fourth Proportional to 1,177,296.75, 1,766,208.38 and 429,342.75

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Solution

The fourth proportional to 1,177,296.75, 1,766,208.38 and 429,342.75 is: 644,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,296.75 : 1,766,208.38 = 429,342.75 : x
  2. Step 2: Convert to fraction form
    1,177,296.75/1,766,208.38 = 429,342.75/x
  3. Step 3: Cross multiply
    1,177,296.75x = 1,766,208.38 × 429,342.75
  4. Step 4: Simplify right side
    1,177,296.75x = 758,308,760,795.53
  5. Step 5: Solve for x
    x = 758,308,760,795.53/1,177,296.75
  6. Step 6: Final answer
    x = 644,110.13

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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.