Finding the Fourth Proportional to 1,247,452.74, 1,721,414.10 and 703,556.02
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Solution
The fourth proportional to 1,247,452.74, 1,721,414.10 and 703,556.02 is: 970,867.44
Step by Step Solution
- Step 1: Write the proportion equation
1,247,452.74 : 1,721,414.10 = 703,556.02 : x - Step 2: Convert to fraction form
1,247,452.74/1,721,414.10 = 703,556.02/x - Step 3: Cross multiply
1,247,452.74x = 1,721,414.10 × 703,556.02 - Step 4: Simplify right side
1,247,452.74x = 1,211,111,248,664.35 - Step 5: Solve for x
x = 1,211,111,248,664.35/1,247,452.74 - Step 6: Final answer
x = 970,867.44
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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.