Finding the Fourth Proportional to 1,147,268.07, 1,720,905.35 and 348,556.23
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Solution
The fourth proportional to 1,147,268.07, 1,720,905.35 and 348,556.23 is: 522,835.33
Step by Step Solution
- Step 1: Write the proportion equation
1,147,268.07 : 1,720,905.35 = 348,556.23 : x - Step 2: Convert to fraction form
1,147,268.07/1,720,905.35 = 348,556.23/x - Step 3: Cross multiply
1,147,268.07x = 1,720,905.35 × 348,556.23 - Step 4: Simplify right side
1,147,268.07x = 599,832,279,240.05 - Step 5: Solve for x
x = 599,832,279,240.05/1,147,268.07 - Step 6: Final answer
x = 522,835.33
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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.