Finding the Fourth Proportional to 1,429,388.96, 2,144,130.80 and 719,029.92
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Solution
The fourth proportional to 1,429,388.96, 2,144,130.80 and 719,029.92 is: 1,078,568.70
Step by Step Solution
- Step 1: Write the proportion equation
1,429,388.96 : 2,144,130.80 = 719,029.92 : x - Step 2: Convert to fraction form
1,429,388.96/2,144,130.80 = 719,029.92/x - Step 3: Cross multiply
1,429,388.96x = 2,144,130.80 × 719,029.92 - Step 4: Simplify right side
1,429,388.96x = 1,541,694,197,593.54 - Step 5: Solve for x
x = 1,541,694,197,593.54/1,429,388.96 - Step 6: Final answer
x = 1,078,568.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.