Finding the Fourth Proportional to 1,393,558.74, 2,089,836.09 and 482,493.78
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Solution
The fourth proportional to 1,393,558.74, 2,089,836.09 and 482,493.78 is: 723,566.85
Step by Step Solution
- Step 1: Write the proportion equation
1,393,558.74 : 2,089,836.09 = 482,493.78 : x - Step 2: Convert to fraction form
1,393,558.74/2,089,836.09 = 482,493.78/x - Step 3: Cross multiply
1,393,558.74x = 2,089,836.09 × 482,493.78 - Step 4: Simplify right side
1,393,558.74x = 1,008,332,914,644.52 - Step 5: Solve for x
x = 1,008,332,914,644.52/1,393,558.74 - Step 6: Final answer
x = 723,566.85
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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.