Finding the Fourth Proportional to 1,292,772.92, 1,939,291.80 and 494,725.68
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Solution
The fourth proportional to 1,292,772.92, 1,939,291.80 and 494,725.68 is: 742,139.20
Step by Step Solution
- Step 1: Write the proportion equation
1,292,772.92 : 1,939,291.80 = 494,725.68 : x - Step 2: Convert to fraction form
1,292,772.92/1,939,291.80 = 494,725.68/x - Step 3: Cross multiply
1,292,772.92x = 1,939,291.80 × 494,725.68 - Step 4: Simplify right side
1,292,772.92x = 959,417,454,473.42 - Step 5: Solve for x
x = 959,417,454,473.42/1,292,772.92 - Step 6: Final answer
x = 742,139.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.