Finding the Fourth Proportional to 1,252,887.68, 1,728,987.36 and 743,692.16
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Solution
The fourth proportional to 1,252,887.68, 1,728,987.36 and 743,692.16 is: 1,026,296.58
Step by Step Solution
- Step 1: Write the proportion equation
1,252,887.68 : 1,728,987.36 = 743,692.16 : x - Step 2: Convert to fraction form
1,252,887.68/1,728,987.36 = 743,692.16/x - Step 3: Cross multiply
1,252,887.68x = 1,728,987.36 × 743,692.16 - Step 4: Simplify right side
1,252,887.68x = 1,285,834,344,371.10 - Step 5: Solve for x
x = 1,285,834,344,371.10/1,252,887.68 - Step 6: Final answer
x = 1,026,296.58
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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.