Finding the Fourth Proportional to 1,213,565.36, 1,820,538.12 and 372,029.36
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Solution
The fourth proportional to 1,213,565.36, 1,820,538.12 and 372,029.36 is: 558,102.31
Step by Step Solution
- Step 1: Write the proportion equation
1,213,565.36 : 1,820,538.12 = 372,029.36 : x - Step 2: Convert to fraction form
1,213,565.36/1,820,538.12 = 372,029.36/x - Step 3: Cross multiply
1,213,565.36x = 1,820,538.12 × 372,029.36 - Step 4: Simplify right side
1,213,565.36x = 677,293,631,639.20 - Step 5: Solve for x
x = 677,293,631,639.20/1,213,565.36 - Step 6: Final answer
x = 558,102.31
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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.