Finding the Fourth Proportional to 1,256,923.75, 1,734,252.32 and 740,698.74
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Solution
The fourth proportional to 1,256,923.75, 1,734,252.32 and 740,698.74 is: 1,021,986.03
Step by Step Solution
- Step 1: Write the proportion equation
1,256,923.75 : 1,734,252.32 = 740,698.74 : x - Step 2: Convert to fraction form
1,256,923.75/1,734,252.32 = 740,698.74/x - Step 3: Cross multiply
1,256,923.75x = 1,734,252.32 × 740,698.74 - Step 4: Simplify right side
1,256,923.75x = 1,284,558,508,266.08 - Step 5: Solve for x
x = 1,284,558,508,266.08/1,256,923.75 - Step 6: Final answer
x = 1,021,986.03
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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.