Finding the Fourth Proportional to 1,234,900.16, 1,704,115.68 and 698,367.68
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Solution
The fourth proportional to 1,234,900.16, 1,704,115.68 and 698,367.68 is: 963,721.08
Step by Step Solution
- Step 1: Write the proportion equation
1,234,900.16 : 1,704,115.68 = 698,367.68 : x - Step 2: Convert to fraction form
1,234,900.16/1,704,115.68 = 698,367.68/x - Step 3: Cross multiply
1,234,900.16x = 1,704,115.68 × 698,367.68 - Step 4: Simplify right side
1,234,900.16x = 1,190,099,313,893.22 - Step 5: Solve for x
x = 1,190,099,313,893.22/1,234,900.16 - Step 6: Final answer
x = 963,721.08
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1.5x scale
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.