Finding the Fourth Proportional to 1,178,130.14, 1,767,212.99 and 448,693.74
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Solution
The fourth proportional to 1,178,130.14, 1,767,212.99 and 448,693.74 is: 673,047.38
Step by Step Solution
- Step 1: Write the proportion equation
1,178,130.14 : 1,767,212.99 = 448,693.74 : x - Step 2: Convert to fraction form
1,178,130.14/1,767,212.99 = 448,693.74/x - Step 3: Cross multiply
1,178,130.14x = 1,767,212.99 × 448,693.74 - Step 4: Simplify right side
1,178,130.14x = 792,937,405,859.68 - Step 5: Solve for x
x = 792,937,405,859.68/1,178,130.14 - Step 6: Final answer
x = 673,047.38
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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.