Finding the Fourth Proportional to 1,115,851.68, 1,540,616.76 and 857,268
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Solution
The fourth proportional to 1,115,851.68, 1,540,616.76 and 857,268 is: 1,183,599.46
Step by Step Solution
- Step 1: Write the proportion equation
1,115,851.68 : 1,540,616.76 = 857,268 : x - Step 2: Convert to fraction form
1,115,851.68/1,540,616.76 = 857,268/x - Step 3: Cross multiply
1,115,851.68x = 1,540,616.76 × 857,268 - Step 4: Simplify right side
1,115,851.68x = 1,320,721,448,611.68 - Step 5: Solve for x
x = 1,320,721,448,611.68/1,115,851.68 - Step 6: Final answer
x = 1,183,599.46
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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.