Finding the Fourth Proportional to 1,333,513.48, 1,840,234.26 and 721,652.72
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Solution
The fourth proportional to 1,333,513.48, 1,840,234.26 and 721,652.72 is: 995,872.99
Step by Step Solution
- Step 1: Write the proportion equation
1,333,513.48 : 1,840,234.26 = 721,652.72 : x - Step 2: Convert to fraction form
1,333,513.48/1,840,234.26 = 721,652.72/x - Step 3: Cross multiply
1,333,513.48x = 1,840,234.26 × 721,652.72 - Step 4: Simplify right side
1,333,513.48x = 1,328,010,059,166.19 - Step 5: Solve for x
x = 1,328,010,059,166.19/1,333,513.48 - Step 6: Final answer
x = 995,872.99
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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.