Finding the Fourth Proportional to 1,072,488.12, 1,479,486.12 and 684,896.12
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Solution
The fourth proportional to 1,072,488.12, 1,479,486.12 and 684,896.12 is: 944,807.02
Step by Step Solution
- Step 1: Write the proportion equation
1,072,488.12 : 1,479,486.12 = 684,896.12 : x - Step 2: Convert to fraction form
1,072,488.12/1,479,486.12 = 684,896.12/x - Step 3: Cross multiply
1,072,488.12x = 1,479,486.12 × 684,896.12 - Step 4: Simplify right side
1,072,488.12x = 1,013,294,303,181.85 - Step 5: Solve for x
x = 1,013,294,303,181.85/1,072,488.12 - Step 6: Final answer
x = 944,807.02
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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.