Finding the Fourth Proportional to 1,226,269.69, 1,692,252.18 and 689,725.69
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Solution
The fourth proportional to 1,226,269.69, 1,692,252.18 and 689,725.69 is: 951,821.46
Step by Step Solution
- Step 1: Write the proportion equation
1,226,269.69 : 1,692,252.18 = 689,725.69 : x - Step 2: Convert to fraction form
1,226,269.69/1,692,252.18 = 689,725.69/x - Step 3: Cross multiply
1,226,269.69x = 1,692,252.18 × 689,725.69 - Step 4: Simplify right side
1,226,269.69x = 1,167,189,798,273.87 - Step 5: Solve for x
x = 1,167,189,798,273.87/1,226,269.69 - Step 6: Final answer
x = 951,821.46
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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.