Finding the Fourth Proportional to 1,096,646.92, 1,644,998.63 and 520,135.49
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Solution
The fourth proportional to 1,096,646.92, 1,644,998.63 and 520,135.49 is: 780,216.64
Step by Step Solution
- Step 1: Write the proportion equation
1,096,646.92 : 1,644,998.63 = 520,135.49 : x - Step 2: Convert to fraction form
1,096,646.92/1,644,998.63 = 520,135.49/x - Step 3: Cross multiply
1,096,646.92x = 1,644,998.63 × 520,135.49 - Step 4: Simplify right side
1,096,646.92x = 855,622,169,976.20 - Step 5: Solve for x
x = 855,622,169,976.20/1,096,646.92 - Step 6: Final answer
x = 780,216.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.