Finding the Fourth Proportional to 1,367,120.49, 1,886,786.58 and 823,530.70
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Solution
The fourth proportional to 1,367,120.49, 1,886,786.58 and 823,530.70 is: 1,136,568.94
Step by Step Solution
- Step 1: Write the proportion equation
1,367,120.49 : 1,886,786.58 = 823,530.70 : x - Step 2: Convert to fraction form
1,367,120.49/1,886,786.58 = 823,530.70/x - Step 3: Cross multiply
1,367,120.49x = 1,886,786.58 × 823,530.70 - Step 4: Simplify right side
1,367,120.49x = 1,553,826,678,424.73 - Step 5: Solve for x
x = 1,553,826,678,424.73/1,367,120.49 - Step 6: Final answer
x = 1,136,568.94
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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.