Finding the Fourth Proportional to 1,291,796.23, 1,937,704.07 and 492,862.99
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Solution
The fourth proportional to 1,291,796.23, 1,937,704.07 and 492,862.99 is: 739,298.20
Step by Step Solution
- Step 1: Write the proportion equation
1,291,796.23 : 1,937,704.07 = 492,862.99 : x - Step 2: Convert to fraction form
1,291,796.23/1,937,704.07 = 492,862.99/x - Step 3: Cross multiply
1,291,796.23x = 1,937,704.07 × 492,862.99 - Step 4: Simplify right side
1,291,796.23x = 955,022,621,675.37 - Step 5: Solve for x
x = 955,022,621,675.37/1,291,796.23 - Step 6: Final answer
x = 739,298.20
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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.