Finding the Fourth Proportional to 1,494,708.96, 2,062,742.24 and 815,689.28
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Solution
The fourth proportional to 1,494,708.96, 2,062,742.24 and 815,689.28 is: 1,125,675.15
Step by Step Solution
- Step 1: Write the proportion equation
1,494,708.96 : 2,062,742.24 = 815,689.28 : x - Step 2: Convert to fraction form
1,494,708.96/2,062,742.24 = 815,689.28/x - Step 3: Cross multiply
1,494,708.96x = 2,062,742.24 × 815,689.28 - Step 4: Simplify right side
1,494,708.96x = 1,682,556,732,571.19 - Step 5: Solve for x
x = 1,682,556,732,571.19/1,494,708.96 - Step 6: Final answer
x = 1,125,675.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.