Finding the Fourth Proportional to 1,389,655.20, 2,082,927.60 and 590,800.80
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Solution
The fourth proportional to 1,389,655.20, 2,082,927.60 and 590,800.80 is: 885,540.02
Step by Step Solution
- Step 1: Write the proportion equation
1,389,655.20 : 2,082,927.60 = 590,800.80 : x - Step 2: Convert to fraction form
1,389,655.20/2,082,927.60 = 590,800.80/x - Step 3: Cross multiply
1,389,655.20x = 2,082,927.60 × 590,800.80 - Step 4: Simplify right side
1,389,655.20x = 1,230,595,292,422.08 - Step 5: Solve for x
x = 1,230,595,292,422.08/1,389,655.20 - Step 6: Final answer
x = 885,540.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.