Finding the Fourth Proportional to 1,207,872.39, 1,666,895.79 and 656,625.18
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Solution
The fourth proportional to 1,207,872.39, 1,666,895.79 and 656,625.18 is: 906,160.09
Step by Step Solution
- Step 1: Write the proportion equation
1,207,872.39 : 1,666,895.79 = 656,625.18 : x - Step 2: Convert to fraction form
1,207,872.39/1,666,895.79 = 656,625.18/x - Step 3: Cross multiply
1,207,872.39x = 1,666,895.79 × 656,625.18 - Step 4: Simplify right side
1,207,872.39x = 1,094,525,748,149.99 - Step 5: Solve for x
x = 1,094,525,748,149.99/1,207,872.39 - Step 6: Final answer
x = 906,160.09
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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.