Finding the Fourth Proportional to 1,524,579.40, 2,287,776.30 and 578,045.80
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Solution
The fourth proportional to 1,524,579.40, 2,287,776.30 and 578,045.80 is: 867,412.67
Step by Step Solution
- Step 1: Write the proportion equation
1,524,579.40 : 2,287,776.30 = 578,045.80 : x - Step 2: Convert to fraction form
1,524,579.40/2,287,776.30 = 578,045.80/x - Step 3: Cross multiply
1,524,579.40x = 2,287,776.30 × 578,045.80 - Step 4: Simplify right side
1,524,579.40x = 1,322,439,481,554.54 - Step 5: Solve for x
x = 1,322,439,481,554.54/1,524,579.40 - Step 6: Final answer
x = 867,412.67
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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.