Finding the Fourth Proportional to 1,772,740.80, 2,659,586.40 and 708,530.40
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Solution
The fourth proportional to 1,772,740.80, 2,659,586.40 and 708,530.40 is: 1,062,985.53
Step by Step Solution
- Step 1: Write the proportion equation
1,772,740.80 : 2,659,586.40 = 708,530.40 : x - Step 2: Convert to fraction form
1,772,740.80/2,659,586.40 = 708,530.40/x - Step 3: Cross multiply
1,772,740.80x = 2,659,586.40 × 708,530.40 - Step 4: Simplify right side
1,772,740.80x = 1,884,397,815,826.56 - Step 5: Solve for x
x = 1,884,397,815,826.56/1,772,740.80 - Step 6: Final answer
x = 1,062,985.53
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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.