Finding the Fourth Proportional to 1,054,173.44, 1,581,555.41 and 423,530.12
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Solution
The fourth proportional to 1,054,173.44, 1,581,555.41 and 423,530.12 is: 635,413.80
Step by Step Solution
- Step 1: Write the proportion equation
1,054,173.44 : 1,581,555.41 = 423,530.12 : x - Step 2: Convert to fraction form
1,054,173.44/1,581,555.41 = 423,530.12/x - Step 3: Cross multiply
1,054,173.44x = 1,581,555.41 × 423,530.12 - Step 4: Simplify right side
1,054,173.44x = 669,836,352,583.95 - Step 5: Solve for x
x = 669,836,352,583.95/1,054,173.44 - Step 6: Final answer
x = 635,413.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.