Finding the Fourth Proportional to 1,293,312.44, 1,784,771.65 and 749,763.31
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Solution
The fourth proportional to 1,293,312.44, 1,784,771.65 and 749,763.31 is: 1,034,673.65
Step by Step Solution
- Step 1: Write the proportion equation
1,293,312.44 : 1,784,771.65 = 749,763.31 : x - Step 2: Convert to fraction form
1,293,312.44/1,784,771.65 = 749,763.31/x - Step 3: Cross multiply
1,293,312.44x = 1,784,771.65 × 749,763.31 - Step 4: Simplify right side
1,293,312.44x = 1,338,156,304,739.55 - Step 5: Solve for x
x = 1,338,156,304,739.55/1,293,312.44 - Step 6: Final answer
x = 1,034,673.65
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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.