Finding the Fourth Proportional to 1,048,742.74, 1,446,444.99 and 681,338.28
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Solution
The fourth proportional to 1,048,742.74, 1,446,444.99 and 681,338.28 is: 939,714.10
Step by Step Solution
- Step 1: Write the proportion equation
1,048,742.74 : 1,446,444.99 = 681,338.28 : x - Step 2: Convert to fraction form
1,048,742.74/1,446,444.99 = 681,338.28/x - Step 3: Cross multiply
1,048,742.74x = 1,446,444.99 × 681,338.28 - Step 4: Simplify right side
1,048,742.74x = 985,518,338,194.53 - Step 5: Solve for x
x = 985,518,338,194.53/1,048,742.74 - Step 6: Final answer
x = 939,714.10
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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.