Finding the Fourth Proportional to 1,333,447.26, 1,840,157.14 and 721,599.99
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Solution
The fourth proportional to 1,333,447.26, 1,840,157.14 and 721,599.99 is: 995,807.94
Step by Step Solution
- Step 1: Write the proportion equation
1,333,447.26 : 1,840,157.14 = 721,599.99 : x - Step 2: Convert to fraction form
1,333,447.26/1,840,157.14 = 721,599.99/x - Step 3: Cross multiply
1,333,447.26x = 1,840,157.14 × 721,599.99 - Step 4: Simplify right side
1,333,447.26x = 1,327,857,376,821.72 - Step 5: Solve for x
x = 1,327,857,376,821.72/1,333,447.26 - Step 6: Final answer
x = 995,807.94
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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.