Finding the Fourth Proportional to 1,208,226.44, 1,667,395.26 and 664,403.48
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Solution
The fourth proportional to 1,208,226.44, 1,667,395.26 and 664,403.48 is: 916,900.32
Step by Step Solution
- Step 1: Write the proportion equation
1,208,226.44 : 1,667,395.26 = 664,403.48 : x - Step 2: Convert to fraction form
1,208,226.44/1,667,395.26 = 664,403.48/x - Step 3: Cross multiply
1,208,226.44x = 1,667,395.26 × 664,403.48 - Step 4: Simplify right side
1,208,226.44x = 1,107,823,213,279.50 - Step 5: Solve for x
x = 1,107,823,213,279.50/1,208,226.44 - Step 6: Final answer
x = 916,900.32
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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.