Finding the Fourth Proportional to 1,198,239.63, 1,653,583.84 and 654,391.42
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Solution
The fourth proportional to 1,198,239.63, 1,653,583.84 and 654,391.42 is: 903,067.34
Step by Step Solution
- Step 1: Write the proportion equation
1,198,239.63 : 1,653,583.84 = 654,391.42 : x - Step 2: Convert to fraction form
1,198,239.63/1,653,583.84 = 654,391.42/x - Step 3: Cross multiply
1,198,239.63x = 1,653,583.84 × 654,391.42 - Step 4: Simplify right side
1,198,239.63x = 1,082,091,071,376.71 - Step 5: Solve for x
x = 1,082,091,071,376.71/1,198,239.63 - Step 6: Final answer
x = 903,067.34
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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.