Finding the Fourth Proportional to 1,129,285.82, 1,685,805.68 and 967,620.96
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Solution
The fourth proportional to 1,129,285.82, 1,685,805.68 and 967,620.96 is: 1,444,471.26
Step by Step Solution
- Step 1: Write the proportion equation
1,129,285.82 : 1,685,805.68 = 967,620.96 : x - Step 2: Convert to fraction form
1,129,285.82/1,685,805.68 = 967,620.96/x - Step 3: Cross multiply
1,129,285.82x = 1,685,805.68 × 967,620.96 - Step 4: Simplify right side
1,129,285.82x = 1,631,220,912,874.11 - Step 5: Solve for x
x = 1,631,220,912,874.11/1,129,285.82 - Step 6: Final answer
x = 1,444,471.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.