Finding the Fourth Proportional to 1,143,437.22, 1,577,932.44 and 627,180.48
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Solution
The fourth proportional to 1,143,437.22, 1,577,932.44 and 627,180.48 is: 865,503.07
Step by Step Solution
- Step 1: Write the proportion equation
1,143,437.22 : 1,577,932.44 = 627,180.48 : x - Step 2: Convert to fraction form
1,143,437.22/1,577,932.44 = 627,180.48/x - Step 3: Cross multiply
1,143,437.22x = 1,577,932.44 × 627,180.48 - Step 4: Simplify right side
1,143,437.22x = 989,648,425,126.77 - Step 5: Solve for x
x = 989,648,425,126.77/1,143,437.22 - Step 6: Final answer
x = 865,503.07
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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.