Finding the Fourth Proportional to 1,143,410.41, 1,578,259.70 and 735,512.26
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Solution
The fourth proportional to 1,143,410.41, 1,578,259.70 and 735,512.26 is: 1,015,234.20
Step by Step Solution
- Step 1: Write the proportion equation
1,143,410.41 : 1,578,259.70 = 735,512.26 : x - Step 2: Convert to fraction form
1,143,410.41/1,578,259.70 = 735,512.26/x - Step 3: Cross multiply
1,143,410.41x = 1,578,259.70 × 735,512.26 - Step 4: Simplify right side
1,143,410.41x = 1,160,829,347,245.06 - Step 5: Solve for x
x = 1,160,829,347,245.06/1,143,410.41 - Step 6: Final answer
x = 1,015,234.20
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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.