Finding the Fourth Proportional to 1,130,668.44, 1,560,455.20 and 671,786.74
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Solution
The fourth proportional to 1,130,668.44, 1,560,455.20 and 671,786.74 is: 927,144.58
Step by Step Solution
- Step 1: Write the proportion equation
1,130,668.44 : 1,560,455.20 = 671,786.74 : x - Step 2: Convert to fraction form
1,130,668.44/1,560,455.20 = 671,786.74/x - Step 3: Cross multiply
1,130,668.44x = 1,560,455.20 × 671,786.74 - Step 4: Simplify right side
1,130,668.44x = 1,048,293,111,724.05 - Step 5: Solve for x
x = 1,048,293,111,724.05/1,130,668.44 - Step 6: Final answer
x = 927,144.58
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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.