Finding the Fourth Proportional to 1,418,731.39, 1,957,843.97 and 774,145.94
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Solution
The fourth proportional to 1,418,731.39, 1,957,843.97 and 774,145.94 is: 1,068,318.48
Step by Step Solution
- Step 1: Write the proportion equation
1,418,731.39 : 1,957,843.97 = 774,145.94 : x - Step 2: Convert to fraction form
1,418,731.39/1,957,843.97 = 774,145.94/x - Step 3: Cross multiply
1,418,731.39x = 1,957,843.97 × 774,145.94 - Step 4: Simplify right side
1,418,731.39x = 1,515,656,964,455.91 - Step 5: Solve for x
x = 1,515,656,964,455.91/1,418,731.39 - Step 6: Final answer
x = 1,068,318.48
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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.