Finding the Fourth Proportional to 1,062,688.14, 1,594,039.39 and 388,492.09
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Solution
The fourth proportional to 1,062,688.14, 1,594,039.39 and 388,492.09 is: 582,740.76
Step by Step Solution
- Step 1: Write the proportion equation
1,062,688.14 : 1,594,039.39 = 388,492.09 : x - Step 2: Convert to fraction form
1,062,688.14/1,594,039.39 = 388,492.09/x - Step 3: Cross multiply
1,062,688.14x = 1,594,039.39 × 388,492.09 - Step 4: Simplify right side
1,062,688.14x = 619,271,689,207.10 - Step 5: Solve for x
x = 619,271,689,207.10/1,062,688.14 - Step 6: Final answer
x = 582,740.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.