Finding the Fourth Proportional to 1,143,937.68, 1,578,822.84 and 634,804.08
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Solution
The fourth proportional to 1,143,937.68, 1,578,822.84 and 634,804.08 is: 876,134.42
Step by Step Solution
- Step 1: Write the proportion equation
1,143,937.68 : 1,578,822.84 = 634,804.08 : x - Step 2: Convert to fraction form
1,143,937.68/1,578,822.84 = 634,804.08/x - Step 3: Cross multiply
1,143,937.68x = 1,578,822.84 × 634,804.08 - Step 4: Simplify right side
1,143,937.68x = 1,002,243,180,429.19 - Step 5: Solve for x
x = 1,002,243,180,429.19/1,143,937.68 - Step 6: Final answer
x = 876,134.42
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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.