Finding the Fourth Proportional to 1,063,585.44, 1,468,289.90 and 821,324.16
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Solution
The fourth proportional to 1,063,585.44, 1,468,289.90 and 821,324.16 is: 1,133,845.88
Step by Step Solution
- Step 1: Write the proportion equation
1,063,585.44 : 1,468,289.90 = 821,324.16 : x - Step 2: Convert to fraction form
1,063,585.44/1,468,289.90 = 821,324.16/x - Step 3: Cross multiply
1,063,585.44x = 1,468,289.90 × 821,324.16 - Step 4: Simplify right side
1,063,585.44x = 1,205,941,970,807.29 - Step 5: Solve for x
x = 1,205,941,970,807.29/1,063,585.44 - Step 6: Final answer
x = 1,133,845.88
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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.