Finding the Fourth Proportional to 1,249,865.26, 1,874,895.08 and 408,502.06
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Solution
The fourth proportional to 1,249,865.26, 1,874,895.08 and 408,502.06 is: 612,784.85
Step by Step Solution
- Step 1: Write the proportion equation
1,249,865.26 : 1,874,895.08 = 408,502.06 : x - Step 2: Convert to fraction form
1,249,865.26/1,874,895.08 = 408,502.06/x - Step 3: Cross multiply
1,249,865.26x = 1,874,895.08 × 408,502.06 - Step 4: Simplify right side
1,249,865.26x = 765,898,494,110.65 - Step 5: Solve for x
x = 765,898,494,110.65/1,249,865.26 - Step 6: Final answer
x = 612,784.85
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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.