Finding the Fourth Proportional to 1,193,905.68, 1,647,706.08 and 891,574.80
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Solution
The fourth proportional to 1,193,905.68, 1,647,706.08 and 891,574.80 is: 1,230,460.03
Step by Step Solution
- Step 1: Write the proportion equation
1,193,905.68 : 1,647,706.08 = 891,574.80 : x - Step 2: Convert to fraction form
1,193,905.68/1,647,706.08 = 891,574.80/x - Step 3: Cross multiply
1,193,905.68x = 1,647,706.08 × 891,574.80 - Step 4: Simplify right side
1,193,905.68x = 1,469,053,218,734.78 - Step 5: Solve for x
x = 1,469,053,218,734.78/1,193,905.68 - Step 6: Final answer
x = 1,230,460.03
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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.