Finding the Fourth Proportional to 1,082,463.48, 1,623,861.30 and 785,188.68
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Solution
The fourth proportional to 1,082,463.48, 1,623,861.30 and 785,188.68 is: 1,177,903.49
Step by Step Solution
- Step 1: Write the proportion equation
1,082,463.48 : 1,623,861.30 = 785,188.68 : x - Step 2: Convert to fraction form
1,082,463.48/1,623,861.30 = 785,188.68/x - Step 3: Cross multiply
1,082,463.48x = 1,623,861.30 × 785,188.68 - Step 4: Simplify right side
1,082,463.48x = 1,275,037,510,650.08 - Step 5: Solve for x
x = 1,275,037,510,650.08/1,082,463.48 - Step 6: Final answer
x = 1,177,903.49
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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.