Finding the Fourth Proportional to 1,208,367.99, 1,667,512.58 and 664,503.21
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Solution
The fourth proportional to 1,208,367.99, 1,667,512.58 and 664,503.21 is: 916,995.04
Step by Step Solution
- Step 1: Write the proportion equation
1,208,367.99 : 1,667,512.58 = 664,503.21 : x - Step 2: Convert to fraction form
1,208,367.99/1,667,512.58 = 664,503.21/x - Step 3: Cross multiply
1,208,367.99x = 1,667,512.58 × 664,503.21 - Step 4: Simplify right side
1,208,367.99x = 1,108,067,458,802.87 - Step 5: Solve for x
x = 1,108,067,458,802.87/1,208,367.99 - Step 6: Final answer
x = 916,995.04
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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.