Finding the Fourth Proportional to 1,262,277.24, 1,893,432.60 and 420,829.28
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Solution
The fourth proportional to 1,262,277.24, 1,893,432.60 and 420,829.28 is: 631,249.50
Step by Step Solution
- Step 1: Write the proportion equation
1,262,277.24 : 1,893,432.60 = 420,829.28 : x - Step 2: Convert to fraction form
1,262,277.24/1,893,432.60 = 420,829.28/x - Step 3: Cross multiply
1,262,277.24x = 1,893,432.60 × 420,829.28 - Step 4: Simplify right side
1,262,277.24x = 796,811,877,786.53 - Step 5: Solve for x
x = 796,811,877,786.53/1,262,277.24 - Step 6: Final answer
x = 631,249.50
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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.