Finding the Fourth Proportional to 1,217,101.80, 1,825,652.70 and 330,637.80
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Solution
The fourth proportional to 1,217,101.80, 1,825,652.70 and 330,637.80 is: 495,956.70
Step by Step Solution
- Step 1: Write the proportion equation
1,217,101.80 : 1,825,652.70 = 330,637.80 : x - Step 2: Convert to fraction form
1,217,101.80/1,825,652.70 = 330,637.80/x - Step 3: Cross multiply
1,217,101.80x = 1,825,652.70 × 330,637.80 - Step 4: Simplify right side
1,217,101.80x = 603,629,792,292.06 - Step 5: Solve for x
x = 603,629,792,292.06/1,217,101.80 - Step 6: Final answer
x = 495,956.70
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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.