Finding the Fourth Proportional to 1,214,697.90, 1,821,859.99 and 405,096.54
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Solution
The fourth proportional to 1,214,697.90, 1,821,859.99 and 405,096.54 is: 607,582.49
Step by Step Solution
- Step 1: Write the proportion equation
1,214,697.90 : 1,821,859.99 = 405,096.54 : x - Step 2: Convert to fraction form
1,214,697.90/1,821,859.99 = 405,096.54/x - Step 3: Cross multiply
1,214,697.90x = 1,821,859.99 × 405,096.54 - Step 4: Simplify right side
1,214,697.90x = 738,029,178,313.44 - Step 5: Solve for x
x = 738,029,178,313.44/1,214,697.90 - Step 6: Final answer
x = 607,582.49
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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.