Finding the Fourth Proportional to 1,393,439.19, 2,090,057.28 and 625,174.79
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Solution
The fourth proportional to 1,393,439.19, 2,090,057.28 and 625,174.79 is: 937,716.65
Step by Step Solution
- Step 1: Write the proportion equation
1,393,439.19 : 2,090,057.28 = 625,174.79 : x - Step 2: Convert to fraction form
1,393,439.19/2,090,057.28 = 625,174.79/x - Step 3: Cross multiply
1,393,439.19x = 2,090,057.28 × 625,174.79 - Step 4: Simplify right side
1,393,439.19x = 1,306,651,120,073.85 - Step 5: Solve for x
x = 1,306,651,120,073.85/1,393,439.19 - Step 6: Final answer
x = 937,716.65
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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.