Finding the Fourth Proportional to 1,081,124.84, 1,491,595.70 and 694,157.06
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Solution
The fourth proportional to 1,081,124.84, 1,491,595.70 and 694,157.06 is: 957,707.79
Step by Step Solution
- Step 1: Write the proportion equation
1,081,124.84 : 1,491,595.70 = 694,157.06 : x - Step 2: Convert to fraction form
1,081,124.84/1,491,595.70 = 694,157.06/x - Step 3: Cross multiply
1,081,124.84x = 1,491,595.70 × 694,157.06 - Step 4: Simplify right side
1,081,124.84x = 1,035,401,674,891.88 - Step 5: Solve for x
x = 1,035,401,674,891.88/1,081,124.84 - Step 6: Final answer
x = 957,707.79
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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.