Finding the Fourth Proportional to 1,080,107.36, 1,490,593.44 and 621,222.06
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Solution
The fourth proportional to 1,080,107.36, 1,490,593.44 and 621,222.06 is: 857,312.48
Step by Step Solution
- Step 1: Write the proportion equation
1,080,107.36 : 1,490,593.44 = 621,222.06 : x - Step 2: Convert to fraction form
1,080,107.36/1,490,593.44 = 621,222.06/x - Step 3: Cross multiply
1,080,107.36x = 1,490,593.44 × 621,222.06 - Step 4: Simplify right side
1,080,107.36x = 925,989,523,459.63 - Step 5: Solve for x
x = 925,989,523,459.63/1,080,107.36 - Step 6: Final answer
x = 857,312.48
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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.