Finding the Fourth Proportional to 1,048,740.36, 1,447,372.68 and 641,080.81
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Solution
The fourth proportional to 1,048,740.36, 1,447,372.68 and 641,080.81 is: 884,759.36
Step by Step Solution
- Step 1: Write the proportion equation
1,048,740.36 : 1,447,372.68 = 641,080.81 : x - Step 2: Convert to fraction form
1,048,740.36/1,447,372.68 = 641,080.81/x - Step 3: Cross multiply
1,048,740.36x = 1,447,372.68 × 641,080.81 - Step 4: Simplify right side
1,048,740.36x = 927,882,850,066.27 - Step 5: Solve for x
x = 927,882,850,066.27/1,048,740.36 - Step 6: Final answer
x = 884,759.36
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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.