Finding the Fourth Proportional to 1,379,235.19, 1,903,314.73 and 798,482.94
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Solution
The fourth proportional to 1,379,235.19, 1,903,314.73 and 798,482.94 is: 1,101,889.18
Step by Step Solution
- Step 1: Write the proportion equation
1,379,235.19 : 1,903,314.73 = 798,482.94 : x - Step 2: Convert to fraction form
1,379,235.19/1,903,314.73 = 798,482.94/x - Step 3: Cross multiply
1,379,235.19x = 1,903,314.73 × 798,482.94 - Step 4: Simplify right side
1,379,235.19x = 1,519,764,337,363.29 - Step 5: Solve for x
x = 1,519,764,337,363.29/1,379,235.19 - Step 6: Final answer
x = 1,101,889.18
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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.