Finding the Fourth Proportional to 1,372,276.72, 1,893,752.99 and 760,439.70
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Solution
The fourth proportional to 1,372,276.72, 1,893,752.99 and 760,439.70 is: 1,049,412.95
Step by Step Solution
- Step 1: Write the proportion equation
1,372,276.72 : 1,893,752.99 = 760,439.70 : x - Step 2: Convert to fraction form
1,372,276.72/1,893,752.99 = 760,439.70/x - Step 3: Cross multiply
1,372,276.72x = 1,893,752.99 × 760,439.70 - Step 4: Simplify right side
1,372,276.72x = 1,440,084,955,589.70 - Step 5: Solve for x
x = 1,440,084,955,589.70/1,372,276.72 - Step 6: Final answer
x = 1,049,412.95
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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.