Finding the Fourth Proportional to 1,071,442.14, 1,478,585.49 and 588,015.09
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Solution
The fourth proportional to 1,071,442.14, 1,478,585.49 and 588,015.09 is: 811,458.27
Step by Step Solution
- Step 1: Write the proportion equation
1,071,442.14 : 1,478,585.49 = 588,015.09 : x - Step 2: Convert to fraction form
1,071,442.14/1,478,585.49 = 588,015.09/x - Step 3: Cross multiply
1,071,442.14x = 1,478,585.49 × 588,015.09 - Step 4: Simplify right side
1,071,442.14x = 869,430,579,975.04 - Step 5: Solve for x
x = 869,430,579,975.04/1,071,442.14 - Step 6: Final answer
x = 811,458.27
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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.