Finding the Fourth Proportional to 1,197,818.84, 1,653,736.13 and 762,481.91
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Solution
The fourth proportional to 1,197,818.84, 1,653,736.13 and 762,481.91 is: 1,052,699.99
Step by Step Solution
- Step 1: Write the proportion equation
1,197,818.84 : 1,653,736.13 = 762,481.91 : x - Step 2: Convert to fraction form
1,197,818.84/1,653,736.13 = 762,481.91/x - Step 3: Cross multiply
1,197,818.84x = 1,653,736.13 × 762,481.91 - Step 4: Simplify right side
1,197,818.84x = 1,260,943,889,078.95 - Step 5: Solve for x
x = 1,260,943,889,078.95/1,197,818.84 - Step 6: Final answer
x = 1,052,699.99
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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.