Finding the Fourth Proportional to 1,287,954.66, 1,777,385.36 and 707,202.88
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Solution
The fourth proportional to 1,287,954.66, 1,777,385.36 and 707,202.88 is: 975,944.33
Step by Step Solution
- Step 1: Write the proportion equation
1,287,954.66 : 1,777,385.36 = 707,202.88 : x - Step 2: Convert to fraction form
1,287,954.66/1,777,385.36 = 707,202.88/x - Step 3: Cross multiply
1,287,954.66x = 1,777,385.36 × 707,202.88 - Step 4: Simplify right side
1,287,954.66x = 1,256,972,045,461.84 - Step 5: Solve for x
x = 1,256,972,045,461.84/1,287,954.66 - Step 6: Final answer
x = 975,944.33
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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.