Finding the Fourth Proportional to 1,200,734.07, 1,657,026.09 and 656,858.19
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Solution
The fourth proportional to 1,200,734.07, 1,657,026.09 and 656,858.19 is: 906,471.45
Step by Step Solution
- Step 1: Write the proportion equation
1,200,734.07 : 1,657,026.09 = 656,858.19 : x - Step 2: Convert to fraction form
1,200,734.07/1,657,026.09 = 656,858.19/x - Step 3: Cross multiply
1,200,734.07x = 1,657,026.09 × 656,858.19 - Step 4: Simplify right side
1,200,734.07x = 1,088,431,158,260.18 - Step 5: Solve for x
x = 1,088,431,158,260.18/1,200,734.07 - Step 6: Final answer
x = 906,471.45
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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.