Finding the Fourth Proportional to 1,247,161.73, 1,721,085.71 and 674,201.88
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Solution
The fourth proportional to 1,247,161.73, 1,721,085.71 and 674,201.88 is: 930,399.96
Step by Step Solution
- Step 1: Write the proportion equation
1,247,161.73 : 1,721,085.71 = 674,201.88 : x - Step 2: Convert to fraction form
1,247,161.73/1,721,085.71 = 674,201.88/x - Step 3: Cross multiply
1,247,161.73x = 1,721,085.71 × 674,201.88 - Step 4: Simplify right side
1,247,161.73x = 1,160,359,217,952.13 - Step 5: Solve for x
x = 1,160,359,217,952.13/1,247,161.73 - Step 6: Final answer
x = 930,399.96
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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.