Finding the Fourth Proportional to 993,942.36, 1,371,698.19 and 748,487.70
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Solution
The fourth proportional to 993,942.36, 1,371,698.19 and 748,487.70 is: 1,032,956.50
Step by Step Solution
- Step 1: Write the proportion equation
993,942.36 : 1,371,698.19 = 748,487.70 : x - Step 2: Convert to fraction form
993,942.36/1,371,698.19 = 748,487.70/x - Step 3: Cross multiply
993,942.36x = 1,371,698.19 × 748,487.70 - Step 4: Simplify right side
993,942.36x = 1,026,699,223,327.26 - Step 5: Solve for x
x = 1,026,699,223,327.26/993,942.36 - Step 6: Final answer
x = 1,032,956.50
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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.