Finding the Fourth Proportional to 1,121,040.03, 1,546,630.97 and 862,995.99
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Solution
The fourth proportional to 1,121,040.03, 1,546,630.97 and 862,995.99 is: 1,190,623.25
Step by Step Solution
- Step 1: Write the proportion equation
1,121,040.03 : 1,546,630.97 = 862,995.99 : x - Step 2: Convert to fraction form
1,121,040.03/1,546,630.97 = 862,995.99/x - Step 3: Cross multiply
1,121,040.03x = 1,546,630.97 × 862,995.99 - Step 4: Simplify right side
1,121,040.03x = 1,334,736,320,804.83 - Step 5: Solve for x
x = 1,334,736,320,804.83/1,121,040.03 - Step 6: Final answer
x = 1,190,623.25
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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.