Finding the Fourth Proportional to 1,370,193.94, 1,890,871.68 and 758,389.19
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Solution
The fourth proportional to 1,370,193.94, 1,890,871.68 and 758,389.19 is: 1,046,579.32
Step by Step Solution
- Step 1: Write the proportion equation
1,370,193.94 : 1,890,871.68 = 758,389.19 : x - Step 2: Convert to fraction form
1,370,193.94/1,890,871.68 = 758,389.19/x - Step 3: Cross multiply
1,370,193.94x = 1,890,871.68 × 758,389.19 - Step 4: Simplify right side
1,370,193.94x = 1,434,016,637,997.19 - Step 5: Solve for x
x = 1,434,016,637,997.19/1,370,193.94 - Step 6: Final answer
x = 1,046,579.32
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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.