Finding the Fourth Proportional to 1,045,376.91, 1,439,932.21 and 738,926.44
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Solution
The fourth proportional to 1,045,376.91, 1,439,932.21 and 738,926.44 is: 1,017,818.52
Step by Step Solution
- Step 1: Write the proportion equation
1,045,376.91 : 1,439,932.21 = 738,926.44 : x - Step 2: Convert to fraction form
1,045,376.91/1,439,932.21 = 738,926.44/x - Step 3: Cross multiply
1,045,376.91x = 1,439,932.21 × 738,926.44 - Step 4: Simplify right side
1,045,376.91x = 1,064,003,984,844.17 - Step 5: Solve for x
x = 1,064,003,984,844.17/1,045,376.91 - Step 6: Final answer
x = 1,017,818.52
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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.