Finding the Fourth Proportional to 1,224,563.13, 1,689,752.76 and 727,769.67
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Solution
The fourth proportional to 1,224,563.13, 1,689,752.76 and 727,769.67 is: 1,004,236.35
Step by Step Solution
- Step 1: Write the proportion equation
1,224,563.13 : 1,689,752.76 = 727,769.67 : x - Step 2: Convert to fraction form
1,224,563.13/1,689,752.76 = 727,769.67/x - Step 3: Cross multiply
1,224,563.13x = 1,689,752.76 × 727,769.67 - Step 4: Simplify right side
1,224,563.13x = 1,229,750,808,526.79 - Step 5: Solve for x
x = 1,229,750,808,526.79/1,224,563.13 - Step 6: Final answer
x = 1,004,236.35
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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.