Finding the Fourth Proportional to 1,212,169.10, 1,817,962.04 and 370,728.14
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Solution
The fourth proportional to 1,212,169.10, 1,817,962.04 and 370,728.14 is: 556,003.02
Step by Step Solution
- Step 1: Write the proportion equation
1,212,169.10 : 1,817,962.04 = 370,728.14 : x - Step 2: Convert to fraction form
1,212,169.10/1,817,962.04 = 370,728.14/x - Step 3: Cross multiply
1,212,169.10x = 1,817,962.04 × 370,728.14 - Step 4: Simplify right side
1,212,169.10x = 673,969,685,679.81 - Step 5: Solve for x
x = 673,969,685,679.81/1,212,169.10 - Step 6: Final answer
x = 556,003.02
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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.