Finding the Fourth Proportional to 1,114,033.65, 1,671,057.42 and 394,218.66
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Solution
The fourth proportional to 1,114,033.65, 1,671,057.42 and 394,218.66 is: 591,330.45
Step by Step Solution
- Step 1: Write the proportion equation
1,114,033.65 : 1,671,057.42 = 394,218.66 : x - Step 2: Convert to fraction form
1,114,033.65/1,671,057.42 = 394,218.66/x - Step 3: Cross multiply
1,114,033.65x = 1,671,057.42 × 394,218.66 - Step 4: Simplify right side
1,114,033.65x = 658,762,016,895.46 - Step 5: Solve for x
x = 658,762,016,895.46/1,114,033.65 - Step 6: Final answer
x = 591,330.45
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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.