Finding the Fourth Proportional to 1,370,844.79, 1,891,824.92 and 758,997.53
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Solution
The fourth proportional to 1,370,844.79, 1,891,824.92 and 758,997.53 is: 1,047,449.32
Step by Step Solution
- Step 1: Write the proportion equation
1,370,844.79 : 1,891,824.92 = 758,997.53 : x - Step 2: Convert to fraction form
1,370,844.79/1,891,824.92 = 758,997.53/x - Step 3: Cross multiply
1,370,844.79x = 1,891,824.92 × 758,997.53 - Step 4: Simplify right side
1,370,844.79x = 1,435,890,435,312.68 - Step 5: Solve for x
x = 1,435,890,435,312.68/1,370,844.79 - Step 6: Final answer
x = 1,047,449.32
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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.