Finding the Fourth Proportional to 1,243,950.20, 1,717,180.92 and 836,288.48
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Solution
The fourth proportional to 1,243,950.20, 1,717,180.92 and 836,288.48 is: 1,154,434.17
Step by Step Solution
- Step 1: Write the proportion equation
1,243,950.20 : 1,717,180.92 = 836,288.48 : x - Step 2: Convert to fraction form
1,243,950.20/1,717,180.92 = 836,288.48/x - Step 3: Cross multiply
1,243,950.20x = 1,717,180.92 × 836,288.48 - Step 4: Simplify right side
1,243,950.20x = 1,436,058,621,471.80 - Step 5: Solve for x
x = 1,436,058,621,471.80/1,243,950.20 - Step 6: Final answer
x = 1,154,434.17
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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.