Finding the Fourth Proportional to 1,191,878.03, 1,644,738.37 and 675,624.53
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Solution
The fourth proportional to 1,191,878.03, 1,644,738.37 and 675,624.53 is: 932,331.63
Step by Step Solution
- Step 1: Write the proportion equation
1,191,878.03 : 1,644,738.37 = 675,624.53 : x - Step 2: Convert to fraction form
1,191,878.03/1,644,738.37 = 675,624.53/x - Step 3: Cross multiply
1,191,878.03x = 1,644,738.37 × 675,624.53 - Step 4: Simplify right side
1,191,878.03x = 1,111,225,588,204.22 - Step 5: Solve for x
x = 1,111,225,588,204.22/1,191,878.03 - Step 6: Final answer
x = 932,331.63
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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.