Finding the Fourth Proportional to 1,160,615.49, 1,740,362.97 and 486,515.79
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Solution
The fourth proportional to 1,160,615.49, 1,740,362.97 and 486,515.79 is: 729,538.83
Step by Step Solution
- Step 1: Write the proportion equation
1,160,615.49 : 1,740,362.97 = 486,515.79 : x - Step 2: Convert to fraction form
1,160,615.49/1,740,362.97 = 486,515.79/x - Step 3: Cross multiply
1,160,615.49x = 1,740,362.97 × 486,515.79 - Step 4: Simplify right side
1,160,615.49x = 846,714,065,236.30 - Step 5: Solve for x
x = 846,714,065,236.30/1,160,615.49 - Step 6: Final answer
x = 729,538.83
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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.