Finding the Fourth Proportional to 1,124,206, 1,686,184.80 and 282,758.08
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Solution
The fourth proportional to 1,124,206, 1,686,184.80 and 282,758.08 is: 424,105.88
Step by Step Solution
- Step 1: Write the proportion equation
1,124,206 : 1,686,184.80 = 282,758.08 : x - Step 2: Convert to fraction form
1,124,206/1,686,184.80 = 282,758.08/x - Step 3: Cross multiply
1,124,206x = 1,686,184.80 × 282,758.08 - Step 4: Simplify right side
1,124,206x = 476,782,376,573.18 - Step 5: Solve for x
x = 476,782,376,573.18/1,124,206 - Step 6: Final answer
x = 424,105.88
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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.