Finding the Fourth Proportional to 1,361,202.07, 2,043,064.81 and 687,756.68
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Solution
The fourth proportional to 1,361,202.07, 2,043,064.81 and 687,756.68 is: 1,032,272.50
Step by Step Solution
- Step 1: Write the proportion equation
1,361,202.07 : 2,043,064.81 = 687,756.68 : x - Step 2: Convert to fraction form
1,361,202.07/2,043,064.81 = 687,756.68/x - Step 3: Cross multiply
1,361,202.07x = 2,043,064.81 × 687,756.68 - Step 4: Simplify right side
1,361,202.07x = 1,405,131,460,535.11 - Step 5: Solve for x
x = 1,405,131,460,535.11/1,361,202.07 - Step 6: Final answer
x = 1,032,272.50
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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.