Finding the Fourth Proportional to 1,114,326.05, 1,672,153.09 and 404,409.42
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Solution
The fourth proportional to 1,114,326.05, 1,672,153.09 and 404,409.42 is: 606,855.12
Step by Step Solution
- Step 1: Write the proportion equation
1,114,326.05 : 1,672,153.09 = 404,409.42 : x - Step 2: Convert to fraction form
1,114,326.05/1,672,153.09 = 404,409.42/x - Step 3: Cross multiply
1,114,326.05x = 1,672,153.09 × 404,409.42 - Step 4: Simplify right side
1,114,326.05x = 676,234,460,267.08 - Step 5: Solve for x
x = 676,234,460,267.08/1,114,326.05 - Step 6: Final answer
x = 606,855.12
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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.