Finding the Fourth Proportional to 1,276,754.16, 1,761,885.36 and 703,794.18
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Solution
The fourth proportional to 1,276,754.16, 1,761,885.36 and 703,794.18 is: 971,216.47
Step by Step Solution
- Step 1: Write the proportion equation
1,276,754.16 : 1,761,885.36 = 703,794.18 : x - Step 2: Convert to fraction form
1,276,754.16/1,761,885.36 = 703,794.18/x - Step 3: Cross multiply
1,276,754.16x = 1,761,885.36 × 703,794.18 - Step 4: Simplify right side
1,276,754.16x = 1,240,004,662,195.21 - Step 5: Solve for x
x = 1,240,004,662,195.21/1,276,754.16 - Step 6: Final answer
x = 971,216.47
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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.