Finding the Fourth Proportional to 1,144,037.87, 1,578,772.50 and 634,739.03
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Solution
The fourth proportional to 1,144,037.87, 1,578,772.50 and 634,739.03 is: 875,939.99
Step by Step Solution
- Step 1: Write the proportion equation
1,144,037.87 : 1,578,772.50 = 634,739.03 : x - Step 2: Convert to fraction form
1,144,037.87/1,578,772.50 = 634,739.03/x - Step 3: Cross multiply
1,144,037.87x = 1,578,772.50 × 634,739.03 - Step 4: Simplify right side
1,144,037.87x = 1,002,108,525,240.68 - Step 5: Solve for x
x = 1,002,108,525,240.68/1,144,037.87 - Step 6: Final answer
x = 875,939.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.