Finding the Fourth Proportional to 1,269,858.84, 1,752,365.58 and 696,884.28
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Solution
The fourth proportional to 1,269,858.84, 1,752,365.58 and 696,884.28 is: 961,678.56
Step by Step Solution
- Step 1: Write the proportion equation
1,269,858.84 : 1,752,365.58 = 696,884.28 : x - Step 2: Convert to fraction form
1,269,858.84/1,752,365.58 = 696,884.28/x - Step 3: Cross multiply
1,269,858.84x = 1,752,365.58 × 696,884.28 - Step 4: Simplify right side
1,269,858.84x = 1,221,196,025,515.08 - Step 5: Solve for x
x = 1,221,196,025,515.08/1,269,858.84 - Step 6: Final answer
x = 961,678.56
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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.