Finding the Fourth Proportional to 1,260,327.60, 1,890,481.68 and 313,691.94
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Solution
The fourth proportional to 1,260,327.60, 1,890,481.68 and 313,691.94 is: 470,535.49
Step by Step Solution
- Step 1: Write the proportion equation
1,260,327.60 : 1,890,481.68 = 313,691.94 : x - Step 2: Convert to fraction form
1,260,327.60/1,890,481.68 = 313,691.94/x - Step 3: Cross multiply
1,260,327.60x = 1,890,481.68 × 313,691.94 - Step 4: Simplify right side
1,260,327.60x = 593,028,865,733.66 - Step 5: Solve for x
x = 593,028,865,733.66/1,260,327.60 - Step 6: Final answer
x = 470,535.49
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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.