Finding the Fourth Proportional to 1,372,878.44, 1,892,472.12 and 963,832.76
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Solution
The fourth proportional to 1,372,878.44, 1,892,472.12 and 963,832.76 is: 1,328,614.81
Step by Step Solution
- Step 1: Write the proportion equation
1,372,878.44 : 1,892,472.12 = 963,832.76 : x - Step 2: Convert to fraction form
1,372,878.44/1,892,472.12 = 963,832.76/x - Step 3: Cross multiply
1,372,878.44x = 1,892,472.12 × 963,832.76 - Step 4: Simplify right side
1,372,878.44x = 1,824,026,626,642.65 - Step 5: Solve for x
x = 1,824,026,626,642.65/1,372,878.44 - Step 6: Final answer
x = 1,328,614.81
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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.