Finding the Fourth Proportional to 1,230,841.32, 1,697,221.99 and 800,323.08
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Solution
The fourth proportional to 1,230,841.32, 1,697,221.99 and 800,323.08 is: 1,103,575.18
Step by Step Solution
- Step 1: Write the proportion equation
1,230,841.32 : 1,697,221.99 = 800,323.08 : x - Step 2: Convert to fraction form
1,230,841.32/1,697,221.99 = 800,323.08/x - Step 3: Cross multiply
1,230,841.32x = 1,697,221.99 × 800,323.08 - Step 4: Simplify right side
1,230,841.32x = 1,358,325,930,480.53 - Step 5: Solve for x
x = 1,358,325,930,480.53/1,230,841.32 - Step 6: Final answer
x = 1,103,575.18
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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.