Finding the Fourth Proportional to 1,247,322.85, 1,721,305.37 and 674,363.02
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Solution
The fourth proportional to 1,247,322.85, 1,721,305.37 and 674,363.02 is: 930,620.88
Step by Step Solution
- Step 1: Write the proportion equation
1,247,322.85 : 1,721,305.37 = 674,363.02 : x - Step 2: Convert to fraction form
1,247,322.85/1,721,305.37 = 674,363.02/x - Step 3: Cross multiply
1,247,322.85x = 1,721,305.37 × 674,363.02 - Step 4: Simplify right side
1,247,322.85x = 1,160,784,687,655.42 - Step 5: Solve for x
x = 1,160,784,687,655.42/1,247,322.85 - Step 6: Final answer
x = 930,620.88
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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.