Finding the Fourth Proportional to 1,403,277.40, 2,101,329.42 and 771,496.84
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Solution
The fourth proportional to 1,403,277.40, 2,101,329.42 and 771,496.84 is: 1,155,273.37
Step by Step Solution
- Step 1: Write the proportion equation
1,403,277.40 : 2,101,329.42 = 771,496.84 : x - Step 2: Convert to fraction form
1,403,277.40/2,101,329.42 = 771,496.84/x - Step 3: Cross multiply
1,403,277.40x = 2,101,329.42 × 771,496.84 - Step 4: Simplify right side
1,403,277.40x = 1,621,169,007,329.03 - Step 5: Solve for x
x = 1,621,169,007,329.03/1,403,277.40 - Step 6: Final answer
x = 1,155,273.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.