Finding the Fourth Proportional to 1,186,161.17, 1,636,837.67 and 702,770.99
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Solution
The fourth proportional to 1,186,161.17, 1,636,837.67 and 702,770.99 is: 969,785.61
Step by Step Solution
- Step 1: Write the proportion equation
1,186,161.17 : 1,636,837.67 = 702,770.99 : x - Step 2: Convert to fraction form
1,186,161.17/1,636,837.67 = 702,770.99/x - Step 3: Cross multiply
1,186,161.17x = 1,636,837.67 × 702,770.99 - Step 4: Simplify right side
1,186,161.17x = 1,150,322,023,387.93 - Step 5: Solve for x
x = 1,150,322,023,387.93/1,186,161.17 - Step 6: Final answer
x = 969,785.61
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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.