Finding the Fourth Proportional to 1,038,211.64, 1,432,396.58 and 579,251.80
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Solution
The fourth proportional to 1,038,211.64, 1,432,396.58 and 579,251.80 is: 799,180.31
Step by Step Solution
- Step 1: Write the proportion equation
1,038,211.64 : 1,432,396.58 = 579,251.80 : x - Step 2: Convert to fraction form
1,038,211.64/1,432,396.58 = 579,251.80/x - Step 3: Cross multiply
1,038,211.64x = 1,432,396.58 × 579,251.80 - Step 4: Simplify right side
1,038,211.64x = 829,718,297,278.84 - Step 5: Solve for x
x = 829,718,297,278.84/1,038,211.64 - Step 6: Final answer
x = 799,180.31
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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.