Finding the Fourth Proportional to 1,295,583.36, 1,787,908.14 and 722,660.64
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Solution
The fourth proportional to 1,295,583.36, 1,787,908.14 and 722,660.64 is: 997,273.41
Step by Step Solution
- Step 1: Write the proportion equation
1,295,583.36 : 1,787,908.14 = 722,660.64 : x - Step 2: Convert to fraction form
1,295,583.36/1,787,908.14 = 722,660.64/x - Step 3: Cross multiply
1,295,583.36x = 1,787,908.14 × 722,660.64 - Step 4: Simplify right side
1,295,583.36x = 1,292,050,840,713.61 - Step 5: Solve for x
x = 1,292,050,840,713.61/1,295,583.36 - Step 6: Final answer
x = 997,273.41
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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.