Finding the Fourth Proportional to 1,213,858.72, 1,674,874.96 and 697,512.85
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Solution
The fourth proportional to 1,213,858.72, 1,674,874.96 and 697,512.85 is: 962,424.03
Step by Step Solution
- Step 1: Write the proportion equation
1,213,858.72 : 1,674,874.96 = 697,512.85 : x - Step 2: Convert to fraction form
1,213,858.72/1,674,874.96 = 697,512.85/x - Step 3: Cross multiply
1,213,858.72x = 1,674,874.96 × 697,512.85 - Step 4: Simplify right side
1,213,858.72x = 1,168,246,806,743.24 - Step 5: Solve for x
x = 1,168,246,806,743.24/1,213,858.72 - Step 6: Final answer
x = 962,424.03
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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.