Finding the Fourth Proportional to 1,215,396.62, 1,677,161.13 and 671,526.44
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Solution
The fourth proportional to 1,215,396.62, 1,677,161.13 and 671,526.44 is: 926,658.86
Step by Step Solution
- Step 1: Write the proportion equation
1,215,396.62 : 1,677,161.13 = 671,526.44 : x - Step 2: Convert to fraction form
1,215,396.62/1,677,161.13 = 671,526.44/x - Step 3: Cross multiply
1,215,396.62x = 1,677,161.13 × 671,526.44 - Step 4: Simplify right side
1,215,396.62x = 1,126,258,042,935.28 - Step 5: Solve for x
x = 1,126,258,042,935.28/1,215,396.62 - Step 6: Final answer
x = 926,658.86
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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.