Finding the Fourth Proportional to 1,419,287.90, 1,958,324.92 and 815,559.26
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Solution
The fourth proportional to 1,419,287.90, 1,958,324.92 and 815,559.26 is: 1,125,303.76
Step by Step Solution
- Step 1: Write the proportion equation
1,419,287.90 : 1,958,324.92 = 815,559.26 : x - Step 2: Convert to fraction form
1,419,287.90/1,958,324.92 = 815,559.26/x - Step 3: Cross multiply
1,419,287.90x = 1,958,324.92 × 815,559.26 - Step 4: Simplify right side
1,419,287.90x = 1,597,130,010,764.24 - Step 5: Solve for x
x = 1,597,130,010,764.24/1,419,287.90 - Step 6: Final answer
x = 1,125,303.76
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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.