Finding the Fourth Proportional to 1,107,557.75, 1,528,430.31 and 598,260.13
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Solution
The fourth proportional to 1,107,557.75, 1,528,430.31 and 598,260.13 is: 825,599.31
Step by Step Solution
- Step 1: Write the proportion equation
1,107,557.75 : 1,528,430.31 = 598,260.13 : x - Step 2: Convert to fraction form
1,107,557.75/1,528,430.31 = 598,260.13/x - Step 3: Cross multiply
1,107,557.75x = 1,528,430.31 × 598,260.13 - Step 4: Simplify right side
1,107,557.75x = 914,398,915,956.54 - Step 5: Solve for x
x = 914,398,915,956.54/1,107,557.75 - Step 6: Final answer
x = 825,599.31
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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.