Finding the Fourth Proportional to 1,348,790.67, 1,861,309.09 and 736,930.26
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Solution
The fourth proportional to 1,348,790.67, 1,861,309.09 and 736,930.26 is: 1,016,951.72
Step by Step Solution
- Step 1: Write the proportion equation
1,348,790.67 : 1,861,309.09 = 736,930.26 : x - Step 2: Convert to fraction form
1,348,790.67/1,861,309.09 = 736,930.26/x - Step 3: Cross multiply
1,348,790.67x = 1,861,309.09 × 736,930.26 - Step 4: Simplify right side
1,348,790.67x = 1,371,654,991,634.06 - Step 5: Solve for x
x = 1,371,654,991,634.06/1,348,790.67 - Step 6: Final answer
x = 1,016,951.72
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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.