Finding the Fourth Proportional to 1,269,764.56, 1,752,325.68 and 696,825.28
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Solution
The fourth proportional to 1,269,764.56, 1,752,325.68 and 696,825.28 is: 961,646.65
Step by Step Solution
- Step 1: Write the proportion equation
1,269,764.56 : 1,752,325.68 = 696,825.28 : x - Step 2: Convert to fraction form
1,269,764.56/1,752,325.68 = 696,825.28/x - Step 3: Cross multiply
1,269,764.56x = 1,752,325.68 × 696,825.28 - Step 4: Simplify right side
1,269,764.56x = 1,221,064,832,617.19 - Step 5: Solve for x
x = 1,221,064,832,617.19/1,269,764.56 - Step 6: Final answer
x = 961,646.65
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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.