Finding the Fourth Proportional to 1,192,948.36, 1,789,698.65 and 624,638.18
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Solution
The fourth proportional to 1,192,948.36, 1,789,698.65 and 624,638.18 is: 937,101.85
Step by Step Solution
- Step 1: Write the proportion equation
1,192,948.36 : 1,789,698.65 = 624,638.18 : x - Step 2: Convert to fraction form
1,192,948.36/1,789,698.65 = 624,638.18/x - Step 3: Cross multiply
1,192,948.36x = 1,789,698.65 × 624,638.18 - Step 4: Simplify right side
1,192,948.36x = 1,117,914,108,835.51 - Step 5: Solve for x
x = 1,117,914,108,835.51/1,192,948.36 - Step 6: Final answer
x = 937,101.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.