Finding the Fourth Proportional to 1,431,637.52, 1,975,609.38 and 787,052.99
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Solution
The fourth proportional to 1,431,637.52, 1,975,609.38 and 787,052.99 is: 1,086,105.42
Step by Step Solution
- Step 1: Write the proportion equation
1,431,637.52 : 1,975,609.38 = 787,052.99 : x - Step 2: Convert to fraction form
1,431,637.52/1,975,609.38 = 787,052.99/x - Step 3: Cross multiply
1,431,637.52x = 1,975,609.38 × 787,052.99 - Step 4: Simplify right side
1,431,637.52x = 1,554,909,259,723.00 - Step 5: Solve for x
x = 1,554,909,259,723.00/1,431,637.52 - Step 6: Final answer
x = 1,086,105.42
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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.