Finding the Fourth Proportional to 1,190,291.86, 1,642,203.21 and 673,975.18
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Solution
The fourth proportional to 1,190,291.86, 1,642,203.21 and 673,975.18 is: 929,859.51
Step by Step Solution
- Step 1: Write the proportion equation
1,190,291.86 : 1,642,203.21 = 673,975.18 : x - Step 2: Convert to fraction form
1,190,291.86/1,642,203.21 = 673,975.18/x - Step 3: Cross multiply
1,190,291.86x = 1,642,203.21 × 673,975.18 - Step 4: Simplify right side
1,190,291.86x = 1,106,804,204,056.33 - Step 5: Solve for x
x = 1,106,804,204,056.33/1,190,291.86 - Step 6: Final answer
x = 929,859.51
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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.