Finding the Fourth Proportional to 1,351,841.88, 1,865,539.08 and 739,994.81
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Solution
The fourth proportional to 1,351,841.88, 1,865,539.08 and 739,994.81 is: 1,021,191.36
Step by Step Solution
- Step 1: Write the proportion equation
1,351,841.88 : 1,865,539.08 = 739,994.81 : x - Step 2: Convert to fraction form
1,351,841.88/1,865,539.08 = 739,994.81/x - Step 3: Cross multiply
1,351,841.88x = 1,865,539.08 × 739,994.81 - Step 4: Simplify right side
1,351,841.88x = 1,380,489,241,716.02 - Step 5: Solve for x
x = 1,380,489,241,716.02/1,351,841.88 - Step 6: Final answer
x = 1,021,191.36
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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.