Finding the Fourth Proportional to 1,558,299.34, 2,149,842.18 and 904,813.75
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Solution
The fourth proportional to 1,558,299.34, 2,149,842.18 and 904,813.75 is: 1,248,288.26
Step by Step Solution
- Step 1: Write the proportion equation
1,558,299.34 : 2,149,842.18 = 904,813.75 : x - Step 2: Convert to fraction form
1,558,299.34/2,149,842.18 = 904,813.75/x - Step 3: Cross multiply
1,558,299.34x = 2,149,842.18 × 904,813.75 - Step 4: Simplify right side
1,558,299.34x = 1,945,206,764,793.98 - Step 5: Solve for x
x = 1,945,206,764,793.98/1,558,299.34 - Step 6: Final answer
x = 1,248,288.26
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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.