Finding the Fourth Proportional to 1,104,142.18, 1,656,563.19 and 394,154.50
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Solution
The fourth proportional to 1,104,142.18, 1,656,563.19 and 394,154.50 is: 591,356.66
Step by Step Solution
- Step 1: Write the proportion equation
1,104,142.18 : 1,656,563.19 = 394,154.50 : x - Step 2: Convert to fraction form
1,104,142.18/1,656,563.19 = 394,154.50/x - Step 3: Cross multiply
1,104,142.18x = 1,656,563.19 × 394,154.50 - Step 4: Simplify right side
1,104,142.18x = 652,941,835,872.86 - Step 5: Solve for x
x = 652,941,835,872.86/1,104,142.18 - Step 6: Final answer
x = 591,356.66
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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.