Finding the Fourth Proportional to 1,169,961.12, 1,615,107.60 and 740,449.44
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Solution
The fourth proportional to 1,169,961.12, 1,615,107.60 and 740,449.44 is: 1,022,175.44
Step by Step Solution
- Step 1: Write the proportion equation
1,169,961.12 : 1,615,107.60 = 740,449.44 : x - Step 2: Convert to fraction form
1,169,961.12/1,615,107.60 = 740,449.44/x - Step 3: Cross multiply
1,169,961.12x = 1,615,107.60 × 740,449.44 - Step 4: Simplify right side
1,169,961.12x = 1,195,905,517,959.74 - Step 5: Solve for x
x = 1,195,905,517,959.74/1,169,961.12 - Step 6: Final answer
x = 1,022,175.44
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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.