Finding the Fourth Proportional to 1,237,557.21, 1,856,337.39 and 339,006.84
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Solution
The fourth proportional to 1,237,557.21, 1,856,337.39 and 339,006.84 is: 508,510.69
Step by Step Solution
- Step 1: Write the proportion equation
1,237,557.21 : 1,856,337.39 = 339,006.84 : x - Step 2: Convert to fraction form
1,237,557.21/1,856,337.39 = 339,006.84/x - Step 3: Cross multiply
1,237,557.21x = 1,856,337.39 × 339,006.84 - Step 4: Simplify right side
1,237,557.21x = 629,311,072,557.75 - Step 5: Solve for x
x = 629,311,072,557.75/1,237,557.21 - Step 6: Final answer
x = 508,510.69
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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.