Finding the Fourth Proportional to 1,255,902.18, 1,733,637.98 and 890,290.28
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Solution
The fourth proportional to 1,255,902.18, 1,733,637.98 and 890,290.28 is: 1,228,950.05
Step by Step Solution
- Step 1: Write the proportion equation
1,255,902.18 : 1,733,637.98 = 890,290.28 : x - Step 2: Convert to fraction form
1,255,902.18/1,733,637.98 = 890,290.28/x - Step 3: Cross multiply
1,255,902.18x = 1,733,637.98 × 890,290.28 - Step 4: Simplify right side
1,255,902.18x = 1,543,441,041,713.87 - Step 5: Solve for x
x = 1,543,441,041,713.87/1,255,902.18 - Step 6: Final answer
x = 1,228,950.05
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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.