Finding the Fourth Proportional to 1,365,289.87, 2,047,858.26 and 418,657.99
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Solution
The fourth proportional to 1,365,289.87, 2,047,858.26 and 418,657.99 is: 627,963.51
Step by Step Solution
- Step 1: Write the proportion equation
1,365,289.87 : 2,047,858.26 = 418,657.99 : x - Step 2: Convert to fraction form
1,365,289.87/2,047,858.26 = 418,657.99/x - Step 3: Cross multiply
1,365,289.87x = 2,047,858.26 × 418,657.99 - Step 4: Simplify right side
1,365,289.87x = 857,352,222,936.50 - Step 5: Solve for x
x = 857,352,222,936.50/1,365,289.87 - Step 6: Final answer
x = 627,963.51
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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.