Finding the Fourth Proportional to 1,019,473.18, 1,406,908.10 and 560,605.05
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Solution
The fourth proportional to 1,019,473.18, 1,406,908.10 and 560,605.05 is: 773,654.28
Step by Step Solution
- Step 1: Write the proportion equation
1,019,473.18 : 1,406,908.10 = 560,605.05 : x - Step 2: Convert to fraction form
1,019,473.18/1,406,908.10 = 560,605.05/x - Step 3: Cross multiply
1,019,473.18x = 1,406,908.10 × 560,605.05 - Step 4: Simplify right side
1,019,473.18x = 788,719,787,147.42 - Step 5: Solve for x
x = 788,719,787,147.42/1,019,473.18 - Step 6: Final answer
x = 773,654.28
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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.