Finding the Fourth Proportional to 1,299,490.31, 1,792,576.68 and 755,565.99
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Solution
The fourth proportional to 1,299,490.31, 1,792,576.68 and 755,565.99 is: 1,042,262.47
Step by Step Solution
- Step 1: Write the proportion equation
1,299,490.31 : 1,792,576.68 = 755,565.99 : x - Step 2: Convert to fraction form
1,299,490.31/1,792,576.68 = 755,565.99/x - Step 3: Cross multiply
1,299,490.31x = 1,792,576.68 × 755,565.99 - Step 4: Simplify right side
1,299,490.31x = 1,354,409,973,875.11 - Step 5: Solve for x
x = 1,354,409,973,875.11/1,299,490.31 - Step 6: Final answer
x = 1,042,262.47
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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.