Finding the Fourth Proportional to 1,309,964.93, 1,807,751.20 and 729,175.44
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Solution
The fourth proportional to 1,309,964.93, 1,807,751.20 and 729,175.44 is: 1,006,261.88
Step by Step Solution
- Step 1: Write the proportion equation
1,309,964.93 : 1,807,751.20 = 729,175.44 : x - Step 2: Convert to fraction form
1,309,964.93/1,807,751.20 = 729,175.44/x - Step 3: Cross multiply
1,309,964.93x = 1,807,751.20 × 729,175.44 - Step 4: Simplify right side
1,309,964.93x = 1,318,167,776,670.53 - Step 5: Solve for x
x = 1,318,167,776,670.53/1,309,964.93 - Step 6: Final answer
x = 1,006,261.88
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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.