Finding the Fourth Proportional to 1,168,647.09, 1,612,734.53 and 659,396.85
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Solution
The fourth proportional to 1,168,647.09, 1,612,734.53 and 659,396.85 is: 909,968.53
Step by Step Solution
- Step 1: Write the proportion equation
1,168,647.09 : 1,612,734.53 = 659,396.85 : x - Step 2: Convert to fraction form
1,168,647.09/1,612,734.53 = 659,396.85/x - Step 3: Cross multiply
1,168,647.09x = 1,612,734.53 × 659,396.85 - Step 4: Simplify right side
1,168,647.09x = 1,063,432,068,968.23 - Step 5: Solve for x
x = 1,063,432,068,968.23/1,168,647.09 - Step 6: Final answer
x = 909,968.53
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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.