Finding the Fourth Proportional to 1,138,102.23, 1,570,562.37 and 628,851.99
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Solution
The fourth proportional to 1,138,102.23, 1,570,562.37 and 628,851.99 is: 867,805.41
Step by Step Solution
- Step 1: Write the proportion equation
1,138,102.23 : 1,570,562.37 = 628,851.99 : x - Step 2: Convert to fraction form
1,138,102.23/1,570,562.37 = 628,851.99/x - Step 3: Cross multiply
1,138,102.23x = 1,570,562.37 × 628,851.99 - Step 4: Simplify right side
1,138,102.23x = 987,651,271,793.62 - Step 5: Solve for x
x = 987,651,271,793.62/1,138,102.23 - Step 6: Final answer
x = 867,805.41
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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.