Finding the Fourth Proportional to 1,338,486.68, 2,007,583.08 and 391,866.68
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Solution
The fourth proportional to 1,338,486.68, 2,007,583.08 and 391,866.68 is: 587,757.00
Step by Step Solution
- Step 1: Write the proportion equation
1,338,486.68 : 2,007,583.08 = 391,866.68 : x - Step 2: Convert to fraction form
1,338,486.68/2,007,583.08 = 391,866.68/x - Step 3: Cross multiply
1,338,486.68x = 2,007,583.08 × 391,866.68 - Step 4: Simplify right side
1,338,486.68x = 786,704,916,383.77 - Step 5: Solve for x
x = 786,704,916,383.77/1,338,486.68 - Step 6: Final answer
x = 587,757.00
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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.