Finding the Fourth Proportional to 1,008,861.96, 1,392,159.74 and 567,402.65
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Solution
The fourth proportional to 1,008,861.96, 1,392,159.74 and 567,402.65 is: 782,976.41
Step by Step Solution
- Step 1: Write the proportion equation
1,008,861.96 : 1,392,159.74 = 567,402.65 : x - Step 2: Convert to fraction form
1,008,861.96/1,392,159.74 = 567,402.65/x - Step 3: Cross multiply
1,008,861.96x = 1,392,159.74 × 567,402.65 - Step 4: Simplify right side
1,008,861.96x = 789,915,121,122.10 - Step 5: Solve for x
x = 789,915,121,122.10/1,008,861.96 - Step 6: Final answer
x = 782,976.41
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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.