Finding the Fourth Proportional to 1,276,757.24, 1,761,924.62 and 703,806.98
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Solution
The fourth proportional to 1,276,757.24, 1,761,924.62 and 703,806.98 is: 971,253.43
Step by Step Solution
- Step 1: Write the proportion equation
1,276,757.24 : 1,761,924.62 = 703,806.98 : x - Step 2: Convert to fraction form
1,276,757.24/1,761,924.62 = 703,806.98/x - Step 3: Cross multiply
1,276,757.24x = 1,761,924.62 × 703,806.98 - Step 4: Simplify right side
1,276,757.24x = 1,240,054,838,739.74 - Step 5: Solve for x
x = 1,240,054,838,739.74/1,276,757.24 - Step 6: Final answer
x = 971,253.43
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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.