Finding the Fourth Proportional to 1,245,339, 1,867,668.18 and 446,472.12
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Solution
The fourth proportional to 1,245,339, 1,867,668.18 and 446,472.12 is: 669,586.17
Step by Step Solution
- Step 1: Write the proportion equation
1,245,339 : 1,867,668.18 = 446,472.12 : x - Step 2: Convert to fraction form
1,245,339/1,867,668.18 = 446,472.12/x - Step 3: Cross multiply
1,245,339x = 1,867,668.18 × 446,472.12 - Step 4: Simplify right side
1,245,339x = 833,861,771,781.14 - Step 5: Solve for x
x = 833,861,771,781.14/1,245,339 - Step 6: Final answer
x = 669,586.17
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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.