Finding the Fourth Proportional to 1,296,256.99, 1,944,330.09 and 443,404.90
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Solution
The fourth proportional to 1,296,256.99, 1,944,330.09 and 443,404.90 is: 665,088.40
Step by Step Solution
- Step 1: Write the proportion equation
1,296,256.99 : 1,944,330.09 = 443,404.90 : x - Step 2: Convert to fraction form
1,296,256.99/1,944,330.09 = 443,404.90/x - Step 3: Cross multiply
1,296,256.99x = 1,944,330.09 × 443,404.90 - Step 4: Simplify right side
1,296,256.99x = 862,125,489,123.44 - Step 5: Solve for x
x = 862,125,489,123.44/1,296,256.99 - Step 6: Final answer
x = 665,088.40
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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.