Finding the Fourth Proportional to 1,072,416.65, 1,608,623.55 and 273,698.26
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Solution
The fourth proportional to 1,072,416.65, 1,608,623.55 and 273,698.26 is: 410,547.02
Step by Step Solution
- Step 1: Write the proportion equation
1,072,416.65 : 1,608,623.55 = 273,698.26 : x - Step 2: Convert to fraction form
1,072,416.65/1,608,623.55 = 273,698.26/x - Step 3: Cross multiply
1,072,416.65x = 1,608,623.55 × 273,698.26 - Step 4: Simplify right side
1,072,416.65x = 440,277,462,608.46 - Step 5: Solve for x
x = 440,277,462,608.46/1,072,416.65 - Step 6: Final answer
x = 410,547.02
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1.5x scale
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.