Finding the Fourth Proportional to 1,219,416.46, 1,682,771.94 and 736,001.98
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Solution
The fourth proportional to 1,219,416.46, 1,682,771.94 and 736,001.98 is: 1,015,668.99
Step by Step Solution
- Step 1: Write the proportion equation
1,219,416.46 : 1,682,771.94 = 736,001.98 : x - Step 2: Convert to fraction form
1,219,416.46/1,682,771.94 = 736,001.98/x - Step 3: Cross multiply
1,219,416.46x = 1,682,771.94 × 736,001.98 - Step 4: Simplify right side
1,219,416.46x = 1,238,523,479,728.44 - Step 5: Solve for x
x = 1,238,523,479,728.44/1,219,416.46 - Step 6: Final answer
x = 1,015,668.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.