Finding the Fourth Proportional to 1,048,757.12, 1,447,395.81 and 641,097.62
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Solution
The fourth proportional to 1,048,757.12, 1,447,395.81 and 641,097.62 is: 884,782.56
Step by Step Solution
- Step 1: Write the proportion equation
1,048,757.12 : 1,447,395.81 = 641,097.62 : x - Step 2: Convert to fraction form
1,048,757.12/1,447,395.81 = 641,097.62/x - Step 3: Cross multiply
1,048,757.12x = 1,447,395.81 × 641,097.62 - Step 4: Simplify right side
1,048,757.12x = 927,922,008,988.97 - Step 5: Solve for x
x = 927,922,008,988.97/1,048,757.12 - Step 6: Final answer
x = 884,782.56
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1.5x scale
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.