Finding the Fourth Proportional to 1,324,043.68, 1,825,472.40 and 961,993.12
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Solution
The fourth proportional to 1,324,043.68, 1,825,472.40 and 961,993.12 is: 1,326,309.63
Step by Step Solution
- Step 1: Write the proportion equation
1,324,043.68 : 1,825,472.40 = 961,993.12 : x - Step 2: Convert to fraction form
1,324,043.68/1,825,472.40 = 961,993.12/x - Step 3: Cross multiply
1,324,043.68x = 1,825,472.40 × 961,993.12 - Step 4: Simplify right side
1,324,043.68x = 1,756,091,889,549.89 - Step 5: Solve for x
x = 1,756,091,889,549.89/1,324,043.68 - Step 6: Final answer
x = 1,326,309.63
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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.