Finding the Fourth Proportional to 1,232,478.24, 1,700,907.99 and 681,182.09
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Solution
The fourth proportional to 1,232,478.24, 1,700,907.99 and 681,182.09 is: 940,079.92
Step by Step Solution
- Step 1: Write the proportion equation
1,232,478.24 : 1,700,907.99 = 681,182.09 : x - Step 2: Convert to fraction form
1,232,478.24/1,700,907.99 = 681,182.09/x - Step 3: Cross multiply
1,232,478.24x = 1,700,907.99 × 681,182.09 - Step 4: Simplify right side
1,232,478.24x = 1,158,628,048,466.93 - Step 5: Solve for x
x = 1,158,628,048,466.93/1,232,478.24 - Step 6: Final answer
x = 940,079.92
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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.