Finding the Fourth Proportional to 1,297,198.51, 1,946,993.91 and 657,950.95
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Solution
The fourth proportional to 1,297,198.51, 1,946,993.91 and 657,950.95 is: 987,533.12
Step by Step Solution
- Step 1: Write the proportion equation
1,297,198.51 : 1,946,993.91 = 657,950.95 : x - Step 2: Convert to fraction form
1,297,198.51/1,946,993.91 = 657,950.95/x - Step 3: Cross multiply
1,297,198.51x = 1,946,993.91 × 657,950.95 - Step 4: Simplify right side
1,297,198.51x = 1,281,026,492,728.71 - Step 5: Solve for x
x = 1,281,026,492,728.71/1,297,198.51 - Step 6: Final answer
x = 987,533.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.