Finding the Fourth Proportional to 1,297,399.12, 1,790,283.90 and 889,849.24
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Solution
The fourth proportional to 1,297,399.12, 1,790,283.90 and 889,849.24 is: 1,227,904.92
Step by Step Solution
- Step 1: Write the proportion equation
1,297,399.12 : 1,790,283.90 = 889,849.24 : x - Step 2: Convert to fraction form
1,297,399.12/1,790,283.90 = 889,849.24/x - Step 3: Cross multiply
1,297,399.12x = 1,790,283.90 × 889,849.24 - Step 4: Simplify right side
1,297,399.12x = 1,593,082,767,799.24 - Step 5: Solve for x
x = 1,593,082,767,799.24/1,297,399.12 - Step 6: Final answer
x = 1,227,904.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.