Finding the Fourth Proportional to 1,125,476.68, 1,553,376.41 and 853,069.43
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Solution
The fourth proportional to 1,125,476.68, 1,553,376.41 and 853,069.43 is: 1,177,401.50
Step by Step Solution
- Step 1: Write the proportion equation
1,125,476.68 : 1,553,376.41 = 853,069.43 : x - Step 2: Convert to fraction form
1,125,476.68/1,553,376.41 = 853,069.43/x - Step 3: Cross multiply
1,125,476.68x = 1,553,376.41 × 853,069.43 - Step 4: Simplify right side
1,125,476.68x = 1,325,137,928,654.15 - Step 5: Solve for x
x = 1,325,137,928,654.15/1,125,476.68 - Step 6: Final answer
x = 1,177,401.50
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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.