Finding the Fourth Proportional to 1,247,824.20, 1,722,209.14 and 704,114.14
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Solution
The fourth proportional to 1,247,824.20, 1,722,209.14 and 704,114.14 is: 971,796.99
Step by Step Solution
- Step 1: Write the proportion equation
1,247,824.20 : 1,722,209.14 = 704,114.14 : x - Step 2: Convert to fraction form
1,247,824.20/1,722,209.14 = 704,114.14/x - Step 3: Cross multiply
1,247,824.20x = 1,722,209.14 × 704,114.14 - Step 4: Simplify right side
1,247,824.20x = 1,212,631,807,511.24 - Step 5: Solve for x
x = 1,212,631,807,511.24/1,247,824.20 - Step 6: Final answer
x = 971,796.99
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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.