Finding the Fourth Proportional to 1,212,759.08, 1,819,136.68 and 413,974.32
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Solution
The fourth proportional to 1,212,759.08, 1,819,136.68 and 413,974.32 is: 620,960.82
Step by Step Solution
- Step 1: Write the proportion equation
1,212,759.08 : 1,819,136.68 = 413,974.32 : x - Step 2: Convert to fraction form
1,212,759.08/1,819,136.68 = 413,974.32/x - Step 3: Cross multiply
1,212,759.08x = 1,819,136.68 × 413,974.32 - Step 4: Simplify right side
1,212,759.08x = 753,075,870,090.06 - Step 5: Solve for x
x = 753,075,870,090.06/1,212,759.08 - Step 6: Final answer
x = 620,960.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.