Finding the Fourth Proportional to 1,038,843.68, 1,560,762.66 and 981,492.44
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Solution
The fourth proportional to 1,038,843.68, 1,560,762.66 and 981,492.44 is: 1,474,597.94
Step by Step Solution
- Step 1: Write the proportion equation
1,038,843.68 : 1,560,762.66 = 981,492.44 : x - Step 2: Convert to fraction form
1,038,843.68/1,560,762.66 = 981,492.44/x - Step 3: Cross multiply
1,038,843.68x = 1,560,762.66 × 981,492.44 - Step 4: Simplify right side
1,038,843.68x = 1,531,876,751,424.29 - Step 5: Solve for x
x = 1,531,876,751,424.29/1,038,843.68 - Step 6: Final answer
x = 1,474,597.94
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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.