Finding the Fourth Proportional to 1,224,829.32, 1,837,441.08 and 426,337.80
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Solution
The fourth proportional to 1,224,829.32, 1,837,441.08 and 426,337.80 is: 639,575.31
Step by Step Solution
- Step 1: Write the proportion equation
1,224,829.32 : 1,837,441.08 = 426,337.80 : x - Step 2: Convert to fraction form
1,224,829.32/1,837,441.08 = 426,337.80/x - Step 3: Cross multiply
1,224,829.32x = 1,837,441.08 × 426,337.80 - Step 4: Simplify right side
1,224,829.32x = 783,370,587,676.82 - Step 5: Solve for x
x = 783,370,587,676.82/1,224,829.32 - Step 6: Final answer
x = 639,575.31
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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.