Finding the Fourth Proportional to 1,258,215.24, 1,736,356.81 and 685,254.97
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Solution
The fourth proportional to 1,258,215.24, 1,736,356.81 and 685,254.97 is: 945,662.62
Step by Step Solution
- Step 1: Write the proportion equation
1,258,215.24 : 1,736,356.81 = 685,254.97 : x - Step 2: Convert to fraction form
1,258,215.24/1,736,356.81 = 685,254.97/x - Step 3: Cross multiply
1,258,215.24x = 1,736,356.81 × 685,254.97 - Step 4: Simplify right side
1,258,215.24x = 1,189,847,125,064.06 - Step 5: Solve for x
x = 1,189,847,125,064.06/1,258,215.24 - Step 6: Final answer
x = 945,662.62
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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.