Finding the Fourth Proportional to 1,172,338.49, 1,617,827.11 and 635,794.49
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Solution
The fourth proportional to 1,172,338.49, 1,617,827.11 and 635,794.49 is: 877,396.39
Step by Step Solution
- Step 1: Write the proportion equation
1,172,338.49 : 1,617,827.11 = 635,794.49 : x - Step 2: Convert to fraction form
1,172,338.49/1,617,827.11 = 635,794.49/x - Step 3: Cross multiply
1,172,338.49x = 1,617,827.11 × 635,794.49 - Step 4: Simplify right side
1,172,338.49x = 1,028,605,562,310.62 - Step 5: Solve for x
x = 1,028,605,562,310.62/1,172,338.49 - Step 6: Final answer
x = 877,396.39
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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.