Finding the Fourth Proportional to 1,269,212.40, 1,903,324.68 and 637,686
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Solution
The fourth proportional to 1,269,212.40, 1,903,324.68 and 637,686 is: 956,280.84
Step by Step Solution
- Step 1: Write the proportion equation
1,269,212.40 : 1,903,324.68 = 637,686 : x - Step 2: Convert to fraction form
1,269,212.40/1,903,324.68 = 637,686/x - Step 3: Cross multiply
1,269,212.40x = 1,903,324.68 × 637,686 - Step 4: Simplify right side
1,269,212.40x = 1,213,723,501,890.48 - Step 5: Solve for x
x = 1,213,723,501,890.48/1,269,212.40 - Step 6: Final answer
x = 956,280.84
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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.