Finding the Fourth Proportional to 1,157,414.77, 1,598,012.35 and 722,494.28
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Solution
The fourth proportional to 1,157,414.77, 1,598,012.35 and 722,494.28 is: 997,528.99
Step by Step Solution
- Step 1: Write the proportion equation
1,157,414.77 : 1,598,012.35 = 722,494.28 : x - Step 2: Convert to fraction form
1,157,414.77/1,598,012.35 = 722,494.28/x - Step 3: Cross multiply
1,157,414.77x = 1,598,012.35 × 722,494.28 - Step 4: Simplify right side
1,157,414.77x = 1,154,554,784,433.15 - Step 5: Solve for x
x = 1,154,554,784,433.15/1,157,414.77 - Step 6: Final answer
x = 997,528.99
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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.