Finding the Fourth Proportional to 1,419,537.30, 1,958,991.12 and 774,984.66
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Solution
The fourth proportional to 1,419,537.30, 1,958,991.12 and 774,984.66 is: 1,069,495.02
Step by Step Solution
- Step 1: Write the proportion equation
1,419,537.30 : 1,958,991.12 = 774,984.66 : x - Step 2: Convert to fraction form
1,419,537.30/1,958,991.12 = 774,984.66/x - Step 3: Cross multiply
1,419,537.30x = 1,958,991.12 × 774,984.66 - Step 4: Simplify right side
1,419,537.30x = 1,518,188,067,076.22 - Step 5: Solve for x
x = 1,518,188,067,076.22/1,419,537.30 - Step 6: Final answer
x = 1,069,495.02
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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.