Finding the Fourth Proportional to 1,242,198.68, 1,714,116.01 and 726,073.57
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Solution
The fourth proportional to 1,242,198.68, 1,714,116.01 and 726,073.57 is: 1,001,912.45
Step by Step Solution
- Step 1: Write the proportion equation
1,242,198.68 : 1,714,116.01 = 726,073.57 : x - Step 2: Convert to fraction form
1,242,198.68/1,714,116.01 = 726,073.57/x - Step 3: Cross multiply
1,242,198.68x = 1,714,116.01 × 726,073.57 - Step 4: Simplify right side
1,242,198.68x = 1,244,574,318,573.91 - Step 5: Solve for x
x = 1,244,574,318,573.91/1,242,198.68 - Step 6: Final answer
x = 1,001,912.45
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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.