Finding the Fourth Proportional to 1,276,216.61, 1,761,190.73 and 703,277.28
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Solution
The fourth proportional to 1,276,216.61, 1,761,190.73 and 703,277.28 is: 970,529.15
Step by Step Solution
- Step 1: Write the proportion equation
1,276,216.61 : 1,761,190.73 = 703,277.28 : x - Step 2: Convert to fraction form
1,276,216.61/1,761,190.73 = 703,277.28/x - Step 3: Cross multiply
1,276,216.61x = 1,761,190.73 × 703,277.28 - Step 4: Simplify right side
1,276,216.61x = 1,238,605,422,639.23 - Step 5: Solve for x
x = 1,238,605,422,639.23/1,276,216.61 - Step 6: Final answer
x = 970,529.15
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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.