Finding the Fourth Proportional to 1,143,350.19, 1,577,920.18 and 634,216.59
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Solution
The fourth proportional to 1,143,350.19, 1,577,920.18 and 634,216.59 is: 875,272.66
Step by Step Solution
- Step 1: Write the proportion equation
1,143,350.19 : 1,577,920.18 = 634,216.59 : x - Step 2: Convert to fraction form
1,143,350.19/1,577,920.18 = 634,216.59/x - Step 3: Cross multiply
1,143,350.19x = 1,577,920.18 × 634,216.59 - Step 4: Simplify right side
1,143,350.19x = 1,000,743,161,372.60 - Step 5: Solve for x
x = 1,000,743,161,372.60/1,143,350.19 - Step 6: Final answer
x = 875,272.66
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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.