Finding the Fourth Proportional to 1,312,226.24, 1,810,910.58 and 768,311.13
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Solution
The fourth proportional to 1,312,226.24, 1,810,910.58 and 768,311.13 is: 1,060,291.83
Step by Step Solution
- Step 1: Write the proportion equation
1,312,226.24 : 1,810,910.58 = 768,311.13 : x - Step 2: Convert to fraction form
1,312,226.24/1,810,910.58 = 768,311.13/x - Step 3: Cross multiply
1,312,226.24x = 1,810,910.58 × 768,311.13 - Step 4: Simplify right side
1,312,226.24x = 1,391,342,754,048.76 - Step 5: Solve for x
x = 1,391,342,754,048.76/1,312,226.24 - Step 6: Final answer
x = 1,060,291.83
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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.