Finding the Fourth Proportional to 1,108,548.24, 1,528,776.36 and 726,436.24
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Solution
The fourth proportional to 1,108,548.24, 1,528,776.36 and 726,436.24 is: 1,001,813.46
Step by Step Solution
- Step 1: Write the proportion equation
1,108,548.24 : 1,528,776.36 = 726,436.24 : x - Step 2: Convert to fraction form
1,108,548.24/1,528,776.36 = 726,436.24/x - Step 3: Cross multiply
1,108,548.24x = 1,528,776.36 × 726,436.24 - Step 4: Simplify right side
1,108,548.24x = 1,110,558,550,759.29 - Step 5: Solve for x
x = 1,110,558,550,759.29/1,108,548.24 - Step 6: Final answer
x = 1,001,813.46
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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.