Finding the Fourth Proportional to 1,334,121.14, 1,841,073.90 and 722,257.76
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Solution
The fourth proportional to 1,334,121.14, 1,841,073.90 and 722,257.76 is: 996,708.52
Step by Step Solution
- Step 1: Write the proportion equation
1,334,121.14 : 1,841,073.90 = 722,257.76 : x - Step 2: Convert to fraction form
1,334,121.14/1,841,073.90 = 722,257.76/x - Step 3: Cross multiply
1,334,121.14x = 1,841,073.90 × 722,257.76 - Step 4: Simplify right side
1,334,121.14x = 1,329,729,911,008.46 - Step 5: Solve for x
x = 1,329,729,911,008.46/1,334,121.14 - Step 6: Final answer
x = 996,708.52
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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.