Finding the Fourth Proportional to 1,330,354.62, 1,835,891.04 and 757,394.78
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Solution
The fourth proportional to 1,330,354.62, 1,835,891.04 and 757,394.78 is: 1,045,205.74
Step by Step Solution
- Step 1: Write the proportion equation
1,330,354.62 : 1,835,891.04 = 757,394.78 : x - Step 2: Convert to fraction form
1,330,354.62/1,835,891.04 = 757,394.78/x - Step 3: Cross multiply
1,330,354.62x = 1,835,891.04 × 757,394.78 - Step 4: Simplify right side
1,330,354.62x = 1,390,494,290,344.77 - Step 5: Solve for x
x = 1,390,494,290,344.77/1,330,354.62 - Step 6: Final answer
x = 1,045,205.74
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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.