Finding the Fourth Proportional to 1,138,716.38, 1,571,584.84 and 655,271.66
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Solution
The fourth proportional to 1,138,716.38, 1,571,584.84 and 655,271.66 is: 904,364.80
Step by Step Solution
- Step 1: Write the proportion equation
1,138,716.38 : 1,571,584.84 = 655,271.66 : x - Step 2: Convert to fraction form
1,138,716.38/1,571,584.84 = 655,271.66/x - Step 3: Cross multiply
1,138,716.38x = 1,571,584.84 × 655,271.66 - Step 4: Simplify right side
1,138,716.38x = 1,029,815,006,937.63 - Step 5: Solve for x
x = 1,029,815,006,937.63/1,138,716.38 - Step 6: Final answer
x = 904,364.80
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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.