Finding the Fourth Proportional to 1,245,232.80, 1,867,849.20 and 1,133,039.70
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Solution
The fourth proportional to 1,245,232.80, 1,867,849.20 and 1,133,039.70 is: 1,699,559.55
Step by Step Solution
- Step 1: Write the proportion equation
1,245,232.80 : 1,867,849.20 = 1,133,039.70 : x - Step 2: Convert to fraction form
1,245,232.80/1,867,849.20 = 1,133,039.70/x - Step 3: Cross multiply
1,245,232.80x = 1,867,849.20 × 1,133,039.70 - Step 4: Simplify right side
1,245,232.80x = 2,116,347,297,213.24 - Step 5: Solve for x
x = 2,116,347,297,213.24/1,245,232.80 - Step 6: Final answer
x = 1,699,559.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.