Finding the Fourth Proportional to 1,247,295.92, 1,721,268.50 and 674,335.94
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Solution
The fourth proportional to 1,247,295.92, 1,721,268.50 and 674,335.94 is: 930,583.66
Step by Step Solution
- Step 1: Write the proportion equation
1,247,295.92 : 1,721,268.50 = 674,335.94 : x - Step 2: Convert to fraction form
1,247,295.92/1,721,268.50 = 674,335.94/x - Step 3: Cross multiply
1,247,295.92x = 1,721,268.50 × 674,335.94 - Step 4: Simplify right side
1,247,295.92x = 1,160,713,199,961.87 - Step 5: Solve for x
x = 1,160,713,199,961.87/1,247,295.92 - Step 6: Final answer
x = 930,583.66
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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.