Finding the Fourth Proportional to 1,195,402.98, 1,649,656.70 and 679,157.76
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Solution
The fourth proportional to 1,195,402.98, 1,649,656.70 and 679,157.76 is: 937,238.04
Step by Step Solution
- Step 1: Write the proportion equation
1,195,402.98 : 1,649,656.70 = 679,157.76 : x - Step 2: Convert to fraction form
1,195,402.98/1,649,656.70 = 679,157.76/x - Step 3: Cross multiply
1,195,402.98x = 1,649,656.70 × 679,157.76 - Step 4: Simplify right side
1,195,402.98x = 1,120,377,149,140.99 - Step 5: Solve for x
x = 1,120,377,149,140.99/1,195,402.98 - Step 6: Final answer
x = 937,238.04
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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.