Finding the Fourth Proportional to 1,203,178.99, 1,804,702.06 and 404,378.05
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Solution
The fourth proportional to 1,203,178.99, 1,804,702.06 and 404,378.05 is: 606,544.75
Step by Step Solution
- Step 1: Write the proportion equation
1,203,178.99 : 1,804,702.06 = 404,378.05 : x - Step 2: Convert to fraction form
1,203,178.99/1,804,702.06 = 404,378.05/x - Step 3: Cross multiply
1,203,178.99x = 1,804,702.06 × 404,378.05 - Step 4: Simplify right side
1,203,178.99x = 729,781,895,847.50 - Step 5: Solve for x
x = 729,781,895,847.50/1,203,178.99 - Step 6: Final answer
x = 606,544.75
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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.