Finding the Fourth Proportional to 1,192,801.26, 1,645,942.86 and 709,272.99
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Solution
The fourth proportional to 1,192,801.26, 1,645,942.86 and 709,272.99 is: 978,723.66
Step by Step Solution
- Step 1: Write the proportion equation
1,192,801.26 : 1,645,942.86 = 709,272.99 : x - Step 2: Convert to fraction form
1,192,801.26/1,645,942.86 = 709,272.99/x - Step 3: Cross multiply
1,192,801.26x = 1,645,942.86 × 709,272.99 - Step 4: Simplify right side
1,192,801.26x = 1,167,422,813,681.35 - Step 5: Solve for x
x = 1,167,422,813,681.35/1,192,801.26 - Step 6: Final answer
x = 978,723.66
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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.