Finding the Fourth Proportional to 1,201,947.05, 1,658,687.02 and 658,082.88
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Solution
The fourth proportional to 1,201,947.05, 1,658,687.02 and 658,082.88 is: 908,154.42
Step by Step Solution
- Step 1: Write the proportion equation
1,201,947.05 : 1,658,687.02 = 658,082.88 : x - Step 2: Convert to fraction form
1,201,947.05/1,658,687.02 = 658,082.88/x - Step 3: Cross multiply
1,201,947.05x = 1,658,687.02 × 658,082.88 - Step 4: Simplify right side
1,201,947.05x = 1,091,553,529,495.01 - Step 5: Solve for x
x = 1,091,553,529,495.01/1,201,947.05 - Step 6: Final answer
x = 908,154.42
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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.