Finding the Fourth Proportional to 1,213,475.76, 1,674,262.44 and 729,973.80
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Solution
The fourth proportional to 1,213,475.76, 1,674,262.44 and 729,973.80 is: 1,007,162.86
Step by Step Solution
- Step 1: Write the proportion equation
1,213,475.76 : 1,674,262.44 = 729,973.80 : x - Step 2: Convert to fraction form
1,213,475.76/1,674,262.44 = 729,973.80/x - Step 3: Cross multiply
1,213,475.76x = 1,674,262.44 × 729,973.80 - Step 4: Simplify right side
1,213,475.76x = 1,222,167,715,524.07 - Step 5: Solve for x
x = 1,222,167,715,524.07/1,213,475.76 - Step 6: Final answer
x = 1,007,162.86
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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.