Finding the Fourth Proportional to 1,067,471.82, 1,472,965.63 and 637,660.71
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Solution
The fourth proportional to 1,067,471.82, 1,472,965.63 and 637,660.71 is: 879,884.87
Step by Step Solution
- Step 1: Write the proportion equation
1,067,471.82 : 1,472,965.63 = 637,660.71 : x - Step 2: Convert to fraction form
1,067,471.82/1,472,965.63 = 637,660.71/x - Step 3: Cross multiply
1,067,471.82x = 1,472,965.63 × 637,660.71 - Step 4: Simplify right side
1,067,471.82x = 939,252,307,837.25 - Step 5: Solve for x
x = 939,252,307,837.25/1,067,471.82 - Step 6: Final answer
x = 879,884.87
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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.