Finding the Fourth Proportional to 1,261,466.64, 1,740,861.36 and 688,543.92
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Solution
The fourth proportional to 1,261,466.64, 1,740,861.36 and 688,543.92 is: 950,211.02
Step by Step Solution
- Step 1: Write the proportion equation
1,261,466.64 : 1,740,861.36 = 688,543.92 : x - Step 2: Convert to fraction form
1,261,466.64/1,740,861.36 = 688,543.92/x - Step 3: Cross multiply
1,261,466.64x = 1,740,861.36 × 688,543.92 - Step 4: Simplify right side
1,261,466.64x = 1,198,659,504,990.93 - Step 5: Solve for x
x = 1,198,659,504,990.93/1,261,466.64 - Step 6: Final answer
x = 950,211.02
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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.