Finding the Fourth Proportional to 1,397,395.20, 2,094,597.68 and 722,797.36
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Solution
The fourth proportional to 1,397,395.20, 2,094,597.68 and 722,797.36 is: 1,083,422.69
Step by Step Solution
- Step 1: Write the proportion equation
1,397,395.20 : 2,094,597.68 = 722,797.36 : x - Step 2: Convert to fraction form
1,397,395.20/2,094,597.68 = 722,797.36/x - Step 3: Cross multiply
1,397,395.20x = 2,094,597.68 × 722,797.36 - Step 4: Simplify right side
1,397,395.20x = 1,513,969,673,366.12 - Step 5: Solve for x
x = 1,513,969,673,366.12/1,397,395.20 - Step 6: Final answer
x = 1,083,422.69
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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.