Finding the Fourth Proportional to 1,294,134.24, 1,785,918.24 and 713,378
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Solution
The fourth proportional to 1,294,134.24, 1,785,918.24 and 713,378 is: 984,468.80
Step by Step Solution
- Step 1: Write the proportion equation
1,294,134.24 : 1,785,918.24 = 713,378 : x - Step 2: Convert to fraction form
1,294,134.24/1,785,918.24 = 713,378/x - Step 3: Cross multiply
1,294,134.24x = 1,785,918.24 × 713,378 - Step 4: Simplify right side
1,294,134.24x = 1,274,034,782,214.72 - Step 5: Solve for x
x = 1,274,034,782,214.72/1,294,134.24 - Step 6: Final answer
x = 984,468.80
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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.