Finding the Fourth Proportional to 1,321,745.24, 1,824,098.64 and 748,790.12
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Solution
The fourth proportional to 1,321,745.24, 1,824,098.64 and 748,790.12 is: 1,033,381.47
Step by Step Solution
- Step 1: Write the proportion equation
1,321,745.24 : 1,824,098.64 = 748,790.12 : x - Step 2: Convert to fraction form
1,321,745.24/1,824,098.64 = 748,790.12/x - Step 3: Cross multiply
1,321,745.24x = 1,824,098.64 × 748,790.12 - Step 4: Simplify right side
1,321,745.24x = 1,365,867,041,289.72 - Step 5: Solve for x
x = 1,365,867,041,289.72/1,321,745.24 - Step 6: Final answer
x = 1,033,381.47
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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.