Finding the Fourth Proportional to 1,175,586.80, 1,622,487.01 and 716,967.56
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Solution
The fourth proportional to 1,175,586.80, 1,622,487.01 and 716,967.56 is: 989,523.32
Step by Step Solution
- Step 1: Write the proportion equation
1,175,586.80 : 1,622,487.01 = 716,967.56 : x - Step 2: Convert to fraction form
1,175,586.80/1,622,487.01 = 716,967.56/x - Step 3: Cross multiply
1,175,586.80x = 1,622,487.01 × 716,967.56 - Step 4: Simplify right side
1,175,586.80x = 1,163,270,542,786.54 - Step 5: Solve for x
x = 1,163,270,542,786.54/1,175,586.80 - Step 6: Final answer
x = 989,523.32
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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.