Finding the Fourth Proportional to 1,449,625.80, 2,174,438.70 and 786,073.80
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Solution
The fourth proportional to 1,449,625.80, 2,174,438.70 and 786,073.80 is: 1,179,110.70
Step by Step Solution
- Step 1: Write the proportion equation
1,449,625.80 : 2,174,438.70 = 786,073.80 : x - Step 2: Convert to fraction form
1,449,625.80/2,174,438.70 = 786,073.80/x - Step 3: Cross multiply
1,449,625.80x = 2,174,438.70 × 786,073.80 - Step 4: Simplify right side
1,449,625.80x = 1,709,269,291,776.06 - Step 5: Solve for x
x = 1,709,269,291,776.06/1,449,625.80 - Step 6: Final answer
x = 1,179,110.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.