Finding the Fourth Proportional to 1,117,532.74, 1,542,227.93 and 608,268.10
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Solution
The fourth proportional to 1,117,532.74, 1,542,227.93 and 608,268.10 is: 839,427.80
Step by Step Solution
- Step 1: Write the proportion equation
1,117,532.74 : 1,542,227.93 = 608,268.10 : x - Step 2: Convert to fraction form
1,117,532.74/1,542,227.93 = 608,268.10/x - Step 3: Cross multiply
1,117,532.74x = 1,542,227.93 × 608,268.10 - Step 4: Simplify right side
1,117,532.74x = 938,088,052,748.03 - Step 5: Solve for x
x = 938,088,052,748.03/1,117,532.74 - Step 6: Final answer
x = 839,427.80
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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.