Finding the Fourth Proportional to 1,131,424.68, 1,561,422.15 and 701,843.21
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Solution
The fourth proportional to 1,131,424.68, 1,561,422.15 and 701,843.21 is: 968,578.42
Step by Step Solution
- Step 1: Write the proportion equation
1,131,424.68 : 1,561,422.15 = 701,843.21 : x - Step 2: Convert to fraction form
1,131,424.68/1,561,422.15 = 701,843.21/x - Step 3: Cross multiply
1,131,424.68x = 1,561,422.15 × 701,843.21 - Step 4: Simplify right side
1,131,424.68x = 1,095,873,526,113.99 - Step 5: Solve for x
x = 1,095,873,526,113.99/1,131,424.68 - Step 6: Final answer
x = 968,578.42
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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.