Finding the Fourth Proportional to 1,147,039.68, 1,720,562.26 and 348,327.24
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Solution
The fourth proportional to 1,147,039.68, 1,720,562.26 and 348,327.24 is: 522,491.68
Step by Step Solution
- Step 1: Write the proportion equation
1,147,039.68 : 1,720,562.26 = 348,327.24 : x - Step 2: Convert to fraction form
1,147,039.68/1,720,562.26 = 348,327.24/x - Step 3: Cross multiply
1,147,039.68x = 1,720,562.26 × 348,327.24 - Step 4: Simplify right side
1,147,039.68x = 599,318,696,604.15 - Step 5: Solve for x
x = 599,318,696,604.15/1,147,039.68 - Step 6: Final answer
x = 522,491.68
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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.