Finding the Fourth Proportional to 1,260,708.64, 1,739,769.87 and 716,844.43
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Solution
The fourth proportional to 1,260,708.64, 1,739,769.87 and 716,844.43 is: 989,240.74
Step by Step Solution
- Step 1: Write the proportion equation
1,260,708.64 : 1,739,769.87 = 716,844.43 : x - Step 2: Convert to fraction form
1,260,708.64/1,739,769.87 = 716,844.43/x - Step 3: Cross multiply
1,260,708.64x = 1,739,769.87 × 716,844.43 - Step 4: Simplify right side
1,260,708.64x = 1,247,144,345,654.20 - Step 5: Solve for x
x = 1,247,144,345,654.20/1,260,708.64 - Step 6: Final answer
x = 989,240.74
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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.