Finding the Fourth Proportional to 1,228,848.36, 1,695,868.21 and 684,988.03
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Solution
The fourth proportional to 1,228,848.36, 1,695,868.21 and 684,988.03 is: 945,315.52
Step by Step Solution
- Step 1: Write the proportion equation
1,228,848.36 : 1,695,868.21 = 684,988.03 : x - Step 2: Convert to fraction form
1,228,848.36/1,695,868.21 = 684,988.03/x - Step 3: Cross multiply
1,228,848.36x = 1,695,868.21 × 684,988.03 - Step 4: Simplify right side
1,228,848.36x = 1,161,649,424,307.53 - Step 5: Solve for x
x = 1,161,649,424,307.53/1,228,848.36 - Step 6: Final answer
x = 945,315.52
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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.