Finding the Fourth Proportional to 1,068,783.12, 1,474,930.56 and 729,244.08
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Solution
The fourth proportional to 1,068,783.12, 1,474,930.56 and 729,244.08 is: 1,006,363.55
Step by Step Solution
- Step 1: Write the proportion equation
1,068,783.12 : 1,474,930.56 = 729,244.08 : x - Step 2: Convert to fraction form
1,068,783.12/1,474,930.56 = 729,244.08/x - Step 3: Cross multiply
1,068,783.12x = 1,474,930.56 × 729,244.08 - Step 4: Simplify right side
1,068,783.12x = 1,075,584,379,291.08 - Step 5: Solve for x
x = 1,075,584,379,291.08/1,068,783.12 - Step 6: Final answer
x = 1,006,363.55
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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.