Finding the Fourth Proportional to 1,028,246.12, 1,418,777.88 and 646,052.12
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Solution
The fourth proportional to 1,028,246.12, 1,418,777.88 and 646,052.12 is: 891,425.16
Step by Step Solution
- Step 1: Write the proportion equation
1,028,246.12 : 1,418,777.88 = 646,052.12 : x - Step 2: Convert to fraction form
1,028,246.12/1,418,777.88 = 646,052.12/x - Step 3: Cross multiply
1,028,246.12x = 1,418,777.88 × 646,052.12 - Step 4: Simplify right side
1,028,246.12x = 916,604,457,183.11 - Step 5: Solve for x
x = 916,604,457,183.11/1,028,246.12 - Step 6: Final answer
x = 891,425.16
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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.