Finding the Fourth Proportional to 1,021,287.24, 1,409,162.76 and 591,541.74
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Solution
The fourth proportional to 1,021,287.24, 1,409,162.76 and 591,541.74 is: 816,203.86
Step by Step Solution
- Step 1: Write the proportion equation
1,021,287.24 : 1,409,162.76 = 591,541.74 : x - Step 2: Convert to fraction form
1,021,287.24/1,409,162.76 = 591,541.74/x - Step 3: Cross multiply
1,021,287.24x = 1,409,162.76 × 591,541.74 - Step 4: Simplify right side
1,021,287.24x = 833,578,590,993.60 - Step 5: Solve for x
x = 833,578,590,993.60/1,021,287.24 - Step 6: Final answer
x = 816,203.86
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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.