Finding the Fourth Proportional to 1,127,295.10, 1,554,961.34 and 740,130.49
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Solution
The fourth proportional to 1,127,295.10, 1,554,961.34 and 740,130.49 is: 1,020,916.62
Step by Step Solution
- Step 1: Write the proportion equation
1,127,295.10 : 1,554,961.34 = 740,130.49 : x - Step 2: Convert to fraction form
1,127,295.10/1,554,961.34 = 740,130.49/x - Step 3: Cross multiply
1,127,295.10x = 1,554,961.34 × 740,130.49 - Step 4: Simplify right side
1,127,295.10x = 1,150,874,296,468.18 - Step 5: Solve for x
x = 1,150,874,296,468.18/1,127,295.10 - Step 6: Final answer
x = 1,020,916.62
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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.