Finding the Fourth Proportional to 1,302,320.99, 1,797,161.00 and 721,520.27
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Solution
The fourth proportional to 1,302,320.99, 1,797,161.00 and 721,520.27 is: 995,674.72
Step by Step Solution
- Step 1: Write the proportion equation
1,302,320.99 : 1,797,161.00 = 721,520.27 : x - Step 2: Convert to fraction form
1,302,320.99/1,797,161.00 = 721,520.27/x - Step 3: Cross multiply
1,302,320.99x = 1,797,161.00 × 721,520.27 - Step 4: Simplify right side
1,302,320.99x = 1,296,688,086,345.87 - Step 5: Solve for x
x = 1,296,688,086,345.87/1,302,320.99 - Step 6: Final answer
x = 995,674.72
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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.