Finding the Fourth Proportional to 1,372,720.56, 1,894,424.28 and 791,727.62
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Solution
The fourth proportional to 1,372,720.56, 1,894,424.28 and 791,727.62 is: 1,092,624.44
Step by Step Solution
- Step 1: Write the proportion equation
1,372,720.56 : 1,894,424.28 = 791,727.62 : x - Step 2: Convert to fraction form
1,372,720.56/1,894,424.28 = 791,727.62/x - Step 3: Cross multiply
1,372,720.56x = 1,894,424.28 × 791,727.62 - Step 4: Simplify right side
1,372,720.56x = 1,499,868,026,474.61 - Step 5: Solve for x
x = 1,499,868,026,474.61/1,372,720.56 - Step 6: Final answer
x = 1,092,624.44
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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.