Finding the Fourth Proportional to 1,229,173.51, 1,696,370.84 and 745,861.09
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Solution
The fourth proportional to 1,229,173.51, 1,696,370.84 and 745,861.09 is: 1,029,355.90
Step by Step Solution
- Step 1: Write the proportion equation
1,229,173.51 : 1,696,370.84 = 745,861.09 : x - Step 2: Convert to fraction form
1,229,173.51/1,696,370.84 = 745,861.09/x - Step 3: Cross multiply
1,229,173.51x = 1,696,370.84 × 745,861.09 - Step 4: Simplify right side
1,229,173.51x = 1,265,257,003,766.62 - Step 5: Solve for x
x = 1,265,257,003,766.62/1,229,173.51 - Step 6: Final answer
x = 1,029,355.90
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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.