Finding the Fourth Proportional to 1,078,776.11, 1,617,743.46 and 404,489.99
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Solution
The fourth proportional to 1,078,776.11, 1,617,743.46 and 404,489.99 is: 606,577.24
Step by Step Solution
- Step 1: Write the proportion equation
1,078,776.11 : 1,617,743.46 = 404,489.99 : x - Step 2: Convert to fraction form
1,078,776.11/1,617,743.46 = 404,489.99/x - Step 3: Cross multiply
1,078,776.11x = 1,617,743.46 × 404,489.99 - Step 4: Simplify right side
1,078,776.11x = 654,361,027,869.25 - Step 5: Solve for x
x = 654,361,027,869.25/1,078,776.11 - Step 6: Final answer
x = 606,577.24
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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.