Finding the Fourth Proportional to 1,169,965.12, 1,615,113.12 and 740,453.44
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Solution
The fourth proportional to 1,169,965.12, 1,615,113.12 and 740,453.44 is: 1,022,180.96
Step by Step Solution
- Step 1: Write the proportion equation
1,169,965.12 : 1,615,113.12 = 740,453.44 : x - Step 2: Convert to fraction form
1,169,965.12/1,615,113.12 = 740,453.44/x - Step 3: Cross multiply
1,169,965.12x = 1,615,113.12 × 740,453.44 - Step 4: Simplify right side
1,169,965.12x = 1,195,916,065,693.13 - Step 5: Solve for x
x = 1,195,916,065,693.13/1,169,965.12 - Step 6: Final answer
x = 1,022,180.96
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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.