Finding the Fourth Proportional to 1,122,649.76, 1,549,278.96 and 613,383.68
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Solution
The fourth proportional to 1,122,649.76, 1,549,278.96 and 613,383.68 is: 846,481.66
Step by Step Solution
- Step 1: Write the proportion equation
1,122,649.76 : 1,549,278.96 = 613,383.68 : x - Step 2: Convert to fraction form
1,122,649.76/1,549,278.96 = 613,383.68/x - Step 3: Cross multiply
1,122,649.76x = 1,549,278.96 × 613,383.68 - Step 4: Simplify right side
1,122,649.76x = 950,302,429,831.37 - Step 5: Solve for x
x = 950,302,429,831.37/1,122,649.76 - Step 6: Final answer
x = 846,481.66
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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.