Finding the Fourth Proportional to 1,281,673.58, 1,768,107.34 and 914,231.91
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Solution
The fourth proportional to 1,281,673.58, 1,768,107.34 and 914,231.91 is: 1,261,210.48
Step by Step Solution
- Step 1: Write the proportion equation
1,281,673.58 : 1,768,107.34 = 914,231.91 : x - Step 2: Convert to fraction form
1,281,673.58/1,768,107.34 = 914,231.91/x - Step 3: Cross multiply
1,281,673.58x = 1,768,107.34 × 914,231.91 - Step 4: Simplify right side
1,281,673.58x = 1,616,460,153,163.86 - Step 5: Solve for x
x = 1,616,460,153,163.86/1,281,673.58 - Step 6: Final answer
x = 1,261,210.48
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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.