Finding the Fourth Proportional to 1,221,226.42, 1,685,494.26 and 677,537.36
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Solution
The fourth proportional to 1,221,226.42, 1,685,494.26 and 677,537.36 is: 935,113.51
Step by Step Solution
- Step 1: Write the proportion equation
1,221,226.42 : 1,685,494.26 = 677,537.36 : x - Step 2: Convert to fraction form
1,221,226.42/1,685,494.26 = 677,537.36/x - Step 3: Cross multiply
1,221,226.42x = 1,685,494.26 × 677,537.36 - Step 4: Simplify right side
1,221,226.42x = 1,141,985,322,788.08 - Step 5: Solve for x
x = 1,141,985,322,788.08/1,221,226.42 - Step 6: Final answer
x = 935,113.51
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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.