Finding the Fourth Proportional to 1,276,825.68, 1,762,031.34 and 703,886.22
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Solution
The fourth proportional to 1,276,825.68, 1,762,031.34 and 703,886.22 is: 971,369.54
Step by Step Solution
- Step 1: Write the proportion equation
1,276,825.68 : 1,762,031.34 = 703,886.22 : x - Step 2: Convert to fraction form
1,276,825.68/1,762,031.34 = 703,886.22/x - Step 3: Cross multiply
1,276,825.68x = 1,762,031.34 × 703,886.22 - Step 4: Simplify right side
1,276,825.68x = 1,240,269,579,434.13 - Step 5: Solve for x
x = 1,240,269,579,434.13/1,276,825.68 - Step 6: Final answer
x = 971,369.54
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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.