Finding the Fourth Proportional to 1,425,231.44, 1,966,795.04 and 771,852.16
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Solution
The fourth proportional to 1,425,231.44, 1,966,795.04 and 771,852.16 is: 1,065,142.79
Step by Step Solution
- Step 1: Write the proportion equation
1,425,231.44 : 1,966,795.04 = 771,852.16 : x - Step 2: Convert to fraction form
1,425,231.44/1,966,795.04 = 771,852.16/x - Step 3: Cross multiply
1,425,231.44x = 1,966,795.04 × 771,852.16 - Step 4: Simplify right side
1,425,231.44x = 1,518,074,986,208.05 - Step 5: Solve for x
x = 1,518,074,986,208.05/1,425,231.44 - Step 6: Final answer
x = 1,065,142.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.