Finding the Fourth Proportional to 1,394,566.62, 1,924,406.55 and 782,647.26
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Solution
The fourth proportional to 1,394,566.62, 1,924,406.55 and 782,647.26 is: 1,079,999.69
Step by Step Solution
- Step 1: Write the proportion equation
1,394,566.62 : 1,924,406.55 = 782,647.26 : x - Step 2: Convert to fraction form
1,394,566.62/1,924,406.55 = 782,647.26/x - Step 3: Cross multiply
1,394,566.62x = 1,924,406.55 × 782,647.26 - Step 4: Simplify right side
1,394,566.62x = 1,506,131,513,483.55 - Step 5: Solve for x
x = 1,506,131,513,483.55/1,394,566.62 - Step 6: Final answer
x = 1,079,999.69
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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.