Finding the Fourth Proportional to 1,377,698.72, 1,901,246.84 and 757,529.91
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Solution
The fourth proportional to 1,377,698.72, 1,901,246.84 and 757,529.91 is: 1,045,403.71
Step by Step Solution
- Step 1: Write the proportion equation
1,377,698.72 : 1,901,246.84 = 757,529.91 : x - Step 2: Convert to fraction form
1,377,698.72/1,901,246.84 = 757,529.91/x - Step 3: Cross multiply
1,377,698.72x = 1,901,246.84 × 757,529.91 - Step 4: Simplify right side
1,377,698.72x = 1,440,251,343,805.34 - Step 5: Solve for x
x = 1,440,251,343,805.34/1,377,698.72 - Step 6: Final answer
x = 1,045,403.71
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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.