Finding the Fourth Proportional to 1,081,198.70, 1,491,989.99 and 597,734.94
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Solution
The fourth proportional to 1,081,198.70, 1,491,989.99 and 597,734.94 is: 824,838.72
Step by Step Solution
- Step 1: Write the proportion equation
1,081,198.70 : 1,491,989.99 = 597,734.94 : x - Step 2: Convert to fraction form
1,081,198.70/1,491,989.99 = 597,734.94/x - Step 3: Cross multiply
1,081,198.70x = 1,491,989.99 × 597,734.94 - Step 4: Simplify right side
1,081,198.70x = 891,814,547,153.25 - Step 5: Solve for x
x = 891,814,547,153.25/1,081,198.70 - Step 6: Final answer
x = 824,838.72
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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.