Finding the Fourth Proportional to 1,276,178.42, 1,761,163.26 and 703,255.52
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Solution
The fourth proportional to 1,276,178.42, 1,761,163.26 and 703,255.52 is: 970,513.03
Step by Step Solution
- Step 1: Write the proportion equation
1,276,178.42 : 1,761,163.26 = 703,255.52 : x - Step 2: Convert to fraction form
1,276,178.42/1,761,163.26 = 703,255.52/x - Step 3: Cross multiply
1,276,178.42x = 1,761,163.26 × 703,255.52 - Step 4: Simplify right side
1,276,178.42x = 1,238,547,784,216.20 - Step 5: Solve for x
x = 1,238,547,784,216.20/1,276,178.42 - Step 6: Final answer
x = 970,513.03
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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.