Finding the Fourth Proportional to 1,259,340.68, 1,889,410.39 and 449,707.37
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Solution
The fourth proportional to 1,259,340.68, 1,889,410.39 and 449,707.37 is: 674,703.66
Step by Step Solution
- Step 1: Write the proportion equation
1,259,340.68 : 1,889,410.39 = 449,707.37 : x - Step 2: Convert to fraction form
1,259,340.68/1,889,410.39 = 449,707.37/x - Step 3: Cross multiply
1,259,340.68x = 1,889,410.39 × 449,707.37 - Step 4: Simplify right side
1,259,340.68x = 849,681,766,766.25 - Step 5: Solve for x
x = 849,681,766,766.25/1,259,340.68 - Step 6: Final answer
x = 674,703.66
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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.