Finding the Fourth Proportional to 1,295,518.62, 1,943,207.90 and 396,963.01
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Solution
The fourth proportional to 1,295,518.62, 1,943,207.90 and 396,963.01 is: 595,423.06
Step by Step Solution
- Step 1: Write the proportion equation
1,295,518.62 : 1,943,207.90 = 396,963.01 : x - Step 2: Convert to fraction form
1,295,518.62/1,943,207.90 = 396,963.01/x - Step 3: Cross multiply
1,295,518.62x = 1,943,207.90 × 396,963.01 - Step 4: Simplify right side
1,295,518.62x = 771,381,657,039.78 - Step 5: Solve for x
x = 771,381,657,039.78/1,295,518.62 - Step 6: Final answer
x = 595,423.06
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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.