Finding the Fourth Proportional to 1,062,722.07, 1,587,310.17 and 961,364.19
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Solution
The fourth proportional to 1,062,722.07, 1,587,310.17 and 961,364.19 is: 1,435,919.32
Step by Step Solution
- Step 1: Write the proportion equation
1,062,722.07 : 1,587,310.17 = 961,364.19 : x - Step 2: Convert to fraction form
1,062,722.07/1,587,310.17 = 961,364.19/x - Step 3: Cross multiply
1,062,722.07x = 1,587,310.17 × 961,364.19 - Step 4: Simplify right side
1,062,722.07x = 1,525,983,155,860.81 - Step 5: Solve for x
x = 1,525,983,155,860.81/1,062,722.07 - Step 6: Final answer
x = 1,435,919.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.