Finding the Fourth Proportional to 1,276,591.24, 1,761,708.18 and 703,653.40
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Solution
The fourth proportional to 1,276,591.24, 1,761,708.18 and 703,653.40 is: 971,048.45
Step by Step Solution
- Step 1: Write the proportion equation
1,276,591.24 : 1,761,708.18 = 703,653.40 : x - Step 2: Convert to fraction form
1,276,591.24/1,761,708.18 = 703,653.40/x - Step 3: Cross multiply
1,276,591.24x = 1,761,708.18 × 703,653.40 - Step 4: Simplify right side
1,276,591.24x = 1,239,631,950,664.81 - Step 5: Solve for x
x = 1,239,631,950,664.81/1,276,591.24 - Step 6: Final answer
x = 971,048.45
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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.