Finding the Fourth Proportional to 1,122,906.51, 1,549,649.34 and 613,641.69
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Solution
The fourth proportional to 1,122,906.51, 1,549,649.34 and 613,641.69 is: 846,846.49
Step by Step Solution
- Step 1: Write the proportion equation
1,122,906.51 : 1,549,649.34 = 613,641.69 : x - Step 2: Convert to fraction form
1,122,906.51/1,549,649.34 = 613,641.69/x - Step 3: Cross multiply
1,122,906.51x = 1,549,649.34 × 613,641.69 - Step 4: Simplify right side
1,122,906.51x = 950,929,439,904.99 - Step 5: Solve for x
x = 950,929,439,904.99/1,122,906.51 - Step 6: Final answer
x = 846,846.49
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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.