Finding the Fourth Proportional to 1,353,531.38, 1,867,695.36 and 809,468.42
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Solution
The fourth proportional to 1,353,531.38, 1,867,695.36 and 809,468.42 is: 1,116,960.00
Step by Step Solution
- Step 1: Write the proportion equation
1,353,531.38 : 1,867,695.36 = 809,468.42 : x - Step 2: Convert to fraction form
1,353,531.38/1,867,695.36 = 809,468.42/x - Step 3: Cross multiply
1,353,531.38x = 1,867,695.36 × 809,468.42 - Step 4: Simplify right side
1,353,531.38x = 1,511,840,402,762.05 - Step 5: Solve for x
x = 1,511,840,402,762.05/1,353,531.38 - Step 6: Final answer
x = 1,116,960.00
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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.