Finding the Fourth Proportional to 1,198,493.66, 1,653,911.42 and 654,629.79
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Solution
The fourth proportional to 1,198,493.66, 1,653,911.42 and 654,629.79 is: 903,383.74
Step by Step Solution
- Step 1: Write the proportion equation
1,198,493.66 : 1,653,911.42 = 654,629.79 : x - Step 2: Convert to fraction form
1,198,493.66/1,653,911.42 = 654,629.79/x - Step 3: Cross multiply
1,198,493.66x = 1,653,911.42 × 654,629.79 - Step 4: Simplify right side
1,198,493.66x = 1,082,699,682,280.05 - Step 5: Solve for x
x = 1,082,699,682,280.05/1,198,493.66 - Step 6: Final answer
x = 903,383.74
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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.