Finding the Fourth Proportional to 1,276,806.48, 1,762,005.24 and 703,867.20
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Solution
The fourth proportional to 1,276,806.48, 1,762,005.24 and 703,867.20 is: 971,343.52
Step by Step Solution
- Step 1: Write the proportion equation
1,276,806.48 : 1,762,005.24 = 703,867.20 : x - Step 2: Convert to fraction form
1,276,806.48/1,762,005.24 = 703,867.20/x - Step 3: Cross multiply
1,276,806.48x = 1,762,005.24 × 703,867.20 - Step 4: Simplify right side
1,276,806.48x = 1,240,217,694,664.13 - Step 5: Solve for x
x = 1,240,217,694,664.13/1,276,806.48 - Step 6: Final answer
x = 971,343.52
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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.