Finding the Fourth Proportional to 1,346,631.12, 1,858,389.84 and 743,058
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Solution
The fourth proportional to 1,346,631.12, 1,858,389.84 and 743,058 is: 1,025,441.50
Step by Step Solution
- Step 1: Write the proportion equation
1,346,631.12 : 1,858,389.84 = 743,058 : x - Step 2: Convert to fraction form
1,346,631.12/1,858,389.84 = 743,058/x - Step 3: Cross multiply
1,346,631.12x = 1,858,389.84 × 743,058 - Step 4: Simplify right side
1,346,631.12x = 1,380,891,437,730.72 - Step 5: Solve for x
x = 1,380,891,437,730.72/1,346,631.12 - Step 6: Final answer
x = 1,025,441.50
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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.