Finding the Fourth Proportional to 1,127,236.05, 1,690,857.49 and 274,307.84
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Solution
The fourth proportional to 1,127,236.05, 1,690,857.49 and 274,307.84 is: 411,462.58
Step by Step Solution
- Step 1: Write the proportion equation
1,127,236.05 : 1,690,857.49 = 274,307.84 : x - Step 2: Convert to fraction form
1,127,236.05/1,690,857.49 = 274,307.84/x - Step 3: Cross multiply
1,127,236.05x = 1,690,857.49 × 274,307.84 - Step 4: Simplify right side
1,127,236.05x = 463,815,456,689.67 - Step 5: Solve for x
x = 463,815,456,689.67/1,127,236.05 - Step 6: Final answer
x = 411,462.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.