Finding the Fourth Proportional to 1,052,130.30, 1,578,843.45 and 453,378.30
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Solution
The fourth proportional to 1,052,130.30, 1,578,843.45 and 453,378.30 is: 680,346.68
Step by Step Solution
- Step 1: Write the proportion equation
1,052,130.30 : 1,578,843.45 = 453,378.30 : x - Step 2: Convert to fraction form
1,052,130.30/1,578,843.45 = 453,378.30/x - Step 3: Cross multiply
1,052,130.30x = 1,578,843.45 × 453,378.30 - Step 4: Simplify right side
1,052,130.30x = 715,813,359,327.14 - Step 5: Solve for x
x = 715,813,359,327.14/1,052,130.30 - Step 6: Final answer
x = 680,346.68
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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.