Finding the Fourth Proportional to 1,208,468.73, 1,667,653.59 and 664,604.55
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Solution
The fourth proportional to 1,208,468.73, 1,667,653.59 and 664,604.55 is: 917,135.99
Step by Step Solution
- Step 1: Write the proportion equation
1,208,468.73 : 1,667,653.59 = 664,604.55 : x - Step 2: Convert to fraction form
1,208,468.73/1,667,653.59 = 664,604.55/x - Step 3: Cross multiply
1,208,468.73x = 1,667,653.59 × 664,604.55 - Step 4: Simplify right side
1,208,468.73x = 1,108,330,163,737.83 - Step 5: Solve for x
x = 1,108,330,163,737.83/1,208,468.73 - Step 6: Final answer
x = 917,135.99
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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.