Finding the Fourth Proportional to 1,212,984.26, 1,819,283.55 and 403,301.34
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Solution
The fourth proportional to 1,212,984.26, 1,819,283.55 and 403,301.34 is: 604,887.90
Step by Step Solution
- Step 1: Write the proportion equation
1,212,984.26 : 1,819,283.55 = 403,301.34 : x - Step 2: Convert to fraction form
1,212,984.26/1,819,283.55 = 403,301.34/x - Step 3: Cross multiply
1,212,984.26x = 1,819,283.55 × 403,301.34 - Step 4: Simplify right side
1,212,984.26x = 733,719,493,554.96 - Step 5: Solve for x
x = 733,719,493,554.96/1,212,984.26 - Step 6: Final answer
x = 604,887.90
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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.