Finding the Fourth Proportional to 1,130,844.26, 1,697,107.29 and 456,931.42
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Solution
The fourth proportional to 1,130,844.26, 1,697,107.29 and 456,931.42 is: 685,736.91
Step by Step Solution
- Step 1: Write the proportion equation
1,130,844.26 : 1,697,107.29 = 456,931.42 : x - Step 2: Convert to fraction form
1,130,844.26/1,697,107.29 = 456,931.42/x - Step 3: Cross multiply
1,130,844.26x = 1,697,107.29 × 456,931.42 - Step 4: Simplify right side
1,130,844.26x = 775,461,643,912.05 - Step 5: Solve for x
x = 775,461,643,912.05/1,130,844.26 - Step 6: Final answer
x = 685,736.91
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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.