Finding the Fourth Proportional to 1,208,251.87, 1,667,352.32 and 664,387.09
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Solution
The fourth proportional to 1,208,251.87, 1,667,352.32 and 664,387.09 is: 916,834.80
Step by Step Solution
- Step 1: Write the proportion equation
1,208,251.87 : 1,667,352.32 = 664,387.09 : x - Step 2: Convert to fraction form
1,208,251.87/1,667,352.32 = 664,387.09/x - Step 3: Cross multiply
1,208,251.87x = 1,667,352.32 × 664,387.09 - Step 4: Simplify right side
1,208,251.87x = 1,107,767,355,889.55 - Step 5: Solve for x
x = 1,107,767,355,889.55/1,208,251.87 - Step 6: Final answer
x = 916,834.80
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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.