Finding the Fourth Proportional to 1,217,553.24, 1,679,842.62 and 734,266.20
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Solution
The fourth proportional to 1,217,553.24, 1,679,842.62 and 734,266.20 is: 1,013,057.68
Step by Step Solution
- Step 1: Write the proportion equation
1,217,553.24 : 1,679,842.62 = 734,266.20 : x - Step 2: Convert to fraction form
1,217,553.24/1,679,842.62 = 734,266.20/x - Step 3: Cross multiply
1,217,553.24x = 1,679,842.62 × 734,266.20 - Step 4: Simplify right side
1,217,553.24x = 1,233,451,657,185.44 - Step 5: Solve for x
x = 1,233,451,657,185.44/1,217,553.24 - Step 6: Final answer
x = 1,013,057.68
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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.