Finding the Fourth Proportional to 1,478,956.26, 2,218,434.42 and 481,684.26
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Solution
The fourth proportional to 1,478,956.26, 2,218,434.42 and 481,684.26 is: 722,526.40
Step by Step Solution
- Step 1: Write the proportion equation
1,478,956.26 : 2,218,434.42 = 481,684.26 : x - Step 2: Convert to fraction form
1,478,956.26/2,218,434.42 = 481,684.26/x - Step 3: Cross multiply
1,478,956.26x = 2,218,434.42 × 481,684.26 - Step 4: Simplify right side
1,478,956.26x = 1,068,584,941,956.23 - Step 5: Solve for x
x = 1,068,584,941,956.23/1,478,956.26 - Step 6: Final answer
x = 722,526.40
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1.5x scale
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.