Finding the Fourth Proportional to 1,314,556.80, 1,970,474.40 and 714,249.60
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Solution
The fourth proportional to 1,314,556.80, 1,970,474.40 and 714,249.60 is: 1,070,635.02
Step by Step Solution
- Step 1: Write the proportion equation
1,314,556.80 : 1,970,474.40 = 714,249.60 : x - Step 2: Convert to fraction form
1,314,556.80/1,970,474.40 = 714,249.60/x - Step 3: Cross multiply
1,314,556.80x = 1,970,474.40 × 714,249.60 - Step 4: Simplify right side
1,314,556.80x = 1,407,410,552,010.24 - Step 5: Solve for x
x = 1,407,410,552,010.24/1,314,556.80 - Step 6: Final answer
x = 1,070,635.02
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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.