Finding the Fourth Proportional to 1,307,467.68, 1,804,263.54 and 726,687.96
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Solution
The fourth proportional to 1,307,467.68, 1,804,263.54 and 726,687.96 is: 1,002,806.12
Step by Step Solution
- Step 1: Write the proportion equation
1,307,467.68 : 1,804,263.54 = 726,687.96 : x - Step 2: Convert to fraction form
1,307,467.68/1,804,263.54 = 726,687.96/x - Step 3: Cross multiply
1,307,467.68x = 1,804,263.54 × 726,687.96 - Step 4: Simplify right side
1,307,467.68x = 1,311,136,591,184.98 - Step 5: Solve for x
x = 1,311,136,591,184.98/1,307,467.68 - Step 6: Final answer
x = 1,002,806.12
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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.