Finding the Fourth Proportional to 1,133,198, 1,565,217.53 and 822,604.87
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Solution
The fourth proportional to 1,133,198, 1,565,217.53 and 822,604.87 is: 1,136,214.12
Step by Step Solution
- Step 1: Write the proportion equation
1,133,198 : 1,565,217.53 = 822,604.87 : x - Step 2: Convert to fraction form
1,133,198/1,565,217.53 = 822,604.87/x - Step 3: Cross multiply
1,133,198x = 1,565,217.53 × 822,604.87 - Step 4: Simplify right side
1,133,198x = 1,287,555,562,787.37 - Step 5: Solve for x
x = 1,287,555,562,787.37/1,133,198 - Step 6: Final answer
x = 1,136,214.12
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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.