Finding the Fourth Proportional to 1,431,592.68, 1,975,635.52 and 787,029.08
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Solution
The fourth proportional to 1,431,592.68, 1,975,635.52 and 787,029.08 is: 1,086,120.81
Step by Step Solution
- Step 1: Write the proportion equation
1,431,592.68 : 1,975,635.52 = 787,029.08 : x - Step 2: Convert to fraction form
1,431,592.68/1,975,635.52 = 787,029.08/x - Step 3: Cross multiply
1,431,592.68x = 1,975,635.52 × 787,029.08 - Step 4: Simplify right side
1,431,592.68x = 1,554,882,605,720.92 - Step 5: Solve for x
x = 1,554,882,605,720.92/1,431,592.68 - Step 6: Final answer
x = 1,086,120.81
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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.