Finding the Fourth Proportional to 1,292,773.91, 1,939,293.30 and 494,726.68
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Solution
The fourth proportional to 1,292,773.91, 1,939,293.30 and 494,726.68 is: 742,140.70
Step by Step Solution
- Step 1: Write the proportion equation
1,292,773.91 : 1,939,293.30 = 494,726.68 : x - Step 2: Convert to fraction form
1,292,773.91/1,939,293.30 = 494,726.68/x - Step 3: Cross multiply
1,292,773.91x = 1,939,293.30 × 494,726.68 - Step 4: Simplify right side
1,292,773.91x = 959,420,135,855.24 - Step 5: Solve for x
x = 959,420,135,855.24/1,292,773.91 - Step 6: Final answer
x = 742,140.70
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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.