Finding the Fourth Proportional to 1,128,771.17, 1,557,704.22 and 676,062.17
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Solution
The fourth proportional to 1,128,771.17, 1,557,704.22 and 676,062.17 is: 932,965.80
Step by Step Solution
- Step 1: Write the proportion equation
1,128,771.17 : 1,557,704.22 = 676,062.17 : x - Step 2: Convert to fraction form
1,128,771.17/1,557,704.22 = 676,062.17/x - Step 3: Cross multiply
1,128,771.17x = 1,557,704.22 × 676,062.17 - Step 4: Simplify right side
1,128,771.17x = 1,053,104,895,191.36 - Step 5: Solve for x
x = 1,053,104,895,191.36/1,128,771.17 - Step 6: Final answer
x = 932,965.80
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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.