Finding the Fourth Proportional to 1,772,572.40, 2,659,514.70 and 708,378.20
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Solution
The fourth proportional to 1,772,572.40, 2,659,514.70 and 708,378.20 is: 1,062,829.50
Step by Step Solution
- Step 1: Write the proportion equation
1,772,572.40 : 2,659,514.70 = 708,378.20 : x - Step 2: Convert to fraction form
1,772,572.40/2,659,514.70 = 708,378.20/x - Step 3: Cross multiply
1,772,572.40x = 2,659,514.70 × 708,378.20 - Step 4: Simplify right side
1,772,572.40x = 1,883,942,236,059.54 - Step 5: Solve for x
x = 1,883,942,236,059.54/1,772,572.40 - Step 6: Final answer
x = 1,062,829.50
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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.