Finding the Fourth Proportional to 1,304,335.36, 1,800,078.44 and 723,649.80
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Solution
The fourth proportional to 1,304,335.36, 1,800,078.44 and 723,649.80 is: 998,689.79
Step by Step Solution
- Step 1: Write the proportion equation
1,304,335.36 : 1,800,078.44 = 723,649.80 : x - Step 2: Convert to fraction form
1,304,335.36/1,800,078.44 = 723,649.80/x - Step 3: Cross multiply
1,304,335.36x = 1,800,078.44 × 723,649.80 - Step 4: Simplify right side
1,304,335.36x = 1,302,626,403,090.31 - Step 5: Solve for x
x = 1,302,626,403,090.31/1,304,335.36 - Step 6: Final answer
x = 998,689.79
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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.