Finding the Fourth Proportional to 1,327,628.48, 1,832,107.61 and 746,807.75
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Solution
The fourth proportional to 1,327,628.48, 1,832,107.61 and 746,807.75 is: 1,030,583.62
Step by Step Solution
- Step 1: Write the proportion equation
1,327,628.48 : 1,832,107.61 = 746,807.75 : x - Step 2: Convert to fraction form
1,327,628.48/1,832,107.61 = 746,807.75/x - Step 3: Cross multiply
1,327,628.48x = 1,832,107.61 × 746,807.75 - Step 4: Simplify right side
1,327,628.48x = 1,368,232,161,558.86 - Step 5: Solve for x
x = 1,368,232,161,558.86/1,327,628.48 - Step 6: Final answer
x = 1,030,583.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.