Finding the Fourth Proportional to 1,122,810.70, 1,549,480.72 and 613,502.14
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Solution
The fourth proportional to 1,122,810.70, 1,549,480.72 and 613,502.14 is: 846,634.02
Step by Step Solution
- Step 1: Write the proportion equation
1,122,810.70 : 1,549,480.72 = 613,502.14 : x - Step 2: Convert to fraction form
1,122,810.70/1,549,480.72 = 613,502.14/x - Step 3: Cross multiply
1,122,810.70x = 1,549,480.72 × 613,502.14 - Step 4: Simplify right side
1,122,810.70x = 950,609,737,608.74 - Step 5: Solve for x
x = 950,609,737,608.74/1,122,810.70 - Step 6: Final answer
x = 846,634.02
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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.