Finding the Fourth Proportional to 1,120,681.92, 1,546,714.26 and 661,846.08
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Solution
The fourth proportional to 1,120,681.92, 1,546,714.26 and 661,846.08 is: 913,449.88
Step by Step Solution
- Step 1: Write the proportion equation
1,120,681.92 : 1,546,714.26 = 661,846.08 : x - Step 2: Convert to fraction form
1,120,681.92/1,546,714.26 = 661,846.08/x - Step 3: Cross multiply
1,120,681.92x = 1,546,714.26 × 661,846.08 - Step 4: Simplify right side
1,120,681.92x = 1,023,686,769,861.10 - Step 5: Solve for x
x = 1,023,686,769,861.10/1,120,681.92 - Step 6: Final answer
x = 913,449.88
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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.