Finding the Fourth Proportional to 1,243,656.64, 1,716,093.60 and 784,598.08
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Solution
The fourth proportional to 1,243,656.64, 1,716,093.60 and 784,598.08 is: 1,082,649.10
Step by Step Solution
- Step 1: Write the proportion equation
1,243,656.64 : 1,716,093.60 = 784,598.08 : x - Step 2: Convert to fraction form
1,243,656.64/1,716,093.60 = 784,598.08/x - Step 3: Cross multiply
1,243,656.64x = 1,716,093.60 × 784,598.08 - Step 4: Simplify right side
1,243,656.64x = 1,346,443,743,660.29 - Step 5: Solve for x
x = 1,346,443,743,660.29/1,243,656.64 - Step 6: Final answer
x = 1,082,649.10
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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.