Finding the Fourth Proportional to 1,235,589.30, 1,851,415.65 and 916,724.70
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Solution
The fourth proportional to 1,235,589.30, 1,851,415.65 and 916,724.70 is: 1,373,626.70
Step by Step Solution
- Step 1: Write the proportion equation
1,235,589.30 : 1,851,415.65 = 916,724.70 : x - Step 2: Convert to fraction form
1,235,589.30/1,851,415.65 = 916,724.70/x - Step 3: Cross multiply
1,235,589.30x = 1,851,415.65 × 916,724.70 - Step 4: Simplify right side
1,235,589.30x = 1,697,238,456,321.56 - Step 5: Solve for x
x = 1,697,238,456,321.56/1,235,589.30 - Step 6: Final answer
x = 1,373,626.70
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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.