Finding the Fourth Proportional to 1,021,184.15, 1,409,423.09 and 591,464.16
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Solution
The fourth proportional to 1,021,184.15, 1,409,423.09 and 591,464.16 is: 816,329.99
Step by Step Solution
- Step 1: Write the proportion equation
1,021,184.15 : 1,409,423.09 = 591,464.16 : x - Step 2: Convert to fraction form
1,021,184.15/1,409,423.09 = 591,464.16/x - Step 3: Cross multiply
1,021,184.15x = 1,409,423.09 × 591,464.16 - Step 4: Simplify right side
1,021,184.15x = 833,623,241,054.13 - Step 5: Solve for x
x = 833,623,241,054.13/1,021,184.15 - Step 6: Final answer
x = 816,329.99
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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.