Finding the Fourth Proportional to 1,267,336.53, 1,748,886.80 and 723,458.79
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Solution
The fourth proportional to 1,267,336.53, 1,748,886.80 and 723,458.79 is: 998,351.66
Step by Step Solution
- Step 1: Write the proportion equation
1,267,336.53 : 1,748,886.80 = 723,458.79 : x - Step 2: Convert to fraction form
1,267,336.53/1,748,886.80 = 723,458.79/x - Step 3: Cross multiply
1,267,336.53x = 1,748,886.80 × 723,458.79 - Step 4: Simplify right side
1,267,336.53x = 1,265,247,524,557.68 - Step 5: Solve for x
x = 1,265,247,524,557.68/1,267,336.53 - Step 6: Final answer
x = 998,351.66
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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.