Finding the Fourth Proportional to 1,370,020.84, 1,890,626.02 and 766,408.84
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Solution
The fourth proportional to 1,370,020.84, 1,890,626.02 and 766,408.84 is: 1,057,642.67
Step by Step Solution
- Step 1: Write the proportion equation
1,370,020.84 : 1,890,626.02 = 766,408.84 : x - Step 2: Convert to fraction form
1,370,020.84/1,890,626.02 = 766,408.84/x - Step 3: Cross multiply
1,370,020.84x = 1,890,626.02 × 766,408.84 - Step 4: Simplify right side
1,370,020.84x = 1,448,992,494,862.02 - Step 5: Solve for x
x = 1,448,992,494,862.02/1,370,020.84 - Step 6: Final answer
x = 1,057,642.67
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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.