Finding the Fourth Proportional to 1,199,573.12, 1,655,446.08 and 655,738.88
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Solution
The fourth proportional to 1,199,573.12, 1,655,446.08 and 655,738.88 is: 904,938.88
Step by Step Solution
- Step 1: Write the proportion equation
1,199,573.12 : 1,655,446.08 = 655,738.88 : x - Step 2: Convert to fraction form
1,199,573.12/1,655,446.08 = 655,738.88/x - Step 3: Cross multiply
1,199,573.12x = 1,655,446.08 × 655,738.88 - Step 4: Simplify right side
1,199,573.12x = 1,085,540,358,399.59 - Step 5: Solve for x
x = 1,085,540,358,399.59/1,199,573.12 - Step 6: Final answer
x = 904,938.88
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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.