Finding the Fourth Proportional to 1,131,901.68, 1,560,956.44 and 744,031.92
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Solution
The fourth proportional to 1,131,901.68, 1,560,956.44 and 744,031.92 is: 1,026,062.10
Step by Step Solution
- Step 1: Write the proportion equation
1,131,901.68 : 1,560,956.44 = 744,031.92 : x - Step 2: Convert to fraction form
1,131,901.68/1,560,956.44 = 744,031.92/x - Step 3: Cross multiply
1,131,901.68x = 1,560,956.44 × 744,031.92 - Step 4: Simplify right side
1,131,901.68x = 1,161,401,417,089.57 - Step 5: Solve for x
x = 1,161,401,417,089.57/1,131,901.68 - Step 6: Final answer
x = 1,026,062.10
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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.