Finding the Fourth Proportional to 1,303,257.18, 1,955,211.38 and 919,754.84
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Solution
The fourth proportional to 1,303,257.18, 1,955,211.38 and 919,754.84 is: 1,379,862.05
Step by Step Solution
- Step 1: Write the proportion equation
1,303,257.18 : 1,955,211.38 = 919,754.84 : x - Step 2: Convert to fraction form
1,303,257.18/1,955,211.38 = 919,754.84/x - Step 3: Cross multiply
1,303,257.18x = 1,955,211.38 × 919,754.84 - Step 4: Simplify right side
1,303,257.18x = 1,798,315,122,501.41 - Step 5: Solve for x
x = 1,798,315,122,501.41/1,303,257.18 - Step 6: Final answer
x = 1,379,862.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.