Finding the Fourth Proportional to 1,125,785.62, 1,688,771.37 and 367,610.23
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Solution
The fourth proportional to 1,125,785.62, 1,688,771.37 and 367,610.23 is: 551,445.69
Step by Step Solution
- Step 1: Write the proportion equation
1,125,785.62 : 1,688,771.37 = 367,610.23 : x - Step 2: Convert to fraction form
1,125,785.62/1,688,771.37 = 367,610.23/x - Step 3: Cross multiply
1,125,785.62x = 1,688,771.37 × 367,610.23 - Step 4: Simplify right side
1,125,785.62x = 620,809,623,299.26 - Step 5: Solve for x
x = 620,809,623,299.26/1,125,785.62 - Step 6: Final answer
x = 551,445.69
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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.