Finding the Fourth Proportional to 1,293,920.75, 1,785,617.71 and 750,378.80
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Solution
The fourth proportional to 1,293,920.75, 1,785,617.71 and 750,378.80 is: 1,035,526.85
Step by Step Solution
- Step 1: Write the proportion equation
1,293,920.75 : 1,785,617.71 = 750,378.80 : x - Step 2: Convert to fraction form
1,293,920.75/1,785,617.71 = 750,378.80/x - Step 3: Cross multiply
1,293,920.75x = 1,785,617.71 × 750,378.80 - Step 4: Simplify right side
1,293,920.75x = 1,339,889,681,297.53 - Step 5: Solve for x
x = 1,339,889,681,297.53/1,293,920.75 - Step 6: Final answer
x = 1,035,526.85
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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.