Finding the Fourth Proportional to 1,102,313.30, 1,652,826.38 and 427,606.19
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Solution
The fourth proportional to 1,102,313.30, 1,652,826.38 and 427,606.19 is: 641,159.63
Step by Step Solution
- Step 1: Write the proportion equation
1,102,313.30 : 1,652,826.38 = 427,606.19 : x - Step 2: Convert to fraction form
1,102,313.30/1,652,826.38 = 427,606.19/x - Step 3: Cross multiply
1,102,313.30x = 1,652,826.38 × 427,606.19 - Step 4: Simplify right side
1,102,313.30x = 706,758,783,888.18 - Step 5: Solve for x
x = 706,758,783,888.18/1,102,313.30 - Step 6: Final answer
x = 641,159.63
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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.