Finding the Fourth Proportional to 1,019,306.62, 1,406,613.36 and 560,420.70
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Solution
The fourth proportional to 1,019,306.62, 1,406,613.36 and 560,420.70 is: 773,364.20
Step by Step Solution
- Step 1: Write the proportion equation
1,019,306.62 : 1,406,613.36 = 560,420.70 : x - Step 2: Convert to fraction form
1,019,306.62/1,406,613.36 = 560,420.70/x - Step 3: Cross multiply
1,019,306.62x = 1,406,613.36 × 560,420.70 - Step 4: Simplify right side
1,019,306.62x = 788,295,243,840.55 - Step 5: Solve for x
x = 788,295,243,840.55/1,019,306.62 - Step 6: Final answer
x = 773,364.20
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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.