Finding the Fourth Proportional to 1,106,276.10, 1,659,414.15 and 396,327.30
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Solution
The fourth proportional to 1,106,276.10, 1,659,414.15 and 396,327.30 is: 594,490.95
Step by Step Solution
- Step 1: Write the proportion equation
1,106,276.10 : 1,659,414.15 = 396,327.30 : x - Step 2: Convert to fraction form
1,106,276.10/1,659,414.15 = 396,327.30/x - Step 3: Cross multiply
1,106,276.10x = 1,659,414.15 × 396,327.30 - Step 4: Simplify right side
1,106,276.10x = 657,671,129,651.30 - Step 5: Solve for x
x = 657,671,129,651.30/1,106,276.10 - Step 6: Final answer
x = 594,490.95
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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.