Finding the Fourth Proportional to 1,312,946.40, 1,970,197.20 and 957,064.80
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Solution
The fourth proportional to 1,312,946.40, 1,970,197.20 and 957,064.80 is: 1,436,164.03
Step by Step Solution
- Step 1: Write the proportion equation
1,312,946.40 : 1,970,197.20 = 957,064.80 : x - Step 2: Convert to fraction form
1,312,946.40/1,970,197.20 = 957,064.80/x - Step 3: Cross multiply
1,312,946.40x = 1,970,197.20 × 957,064.80 - Step 4: Simplify right side
1,312,946.40x = 1,885,606,389,178.56 - Step 5: Solve for x
x = 1,885,606,389,178.56/1,312,946.40 - Step 6: Final answer
x = 1,436,164.03
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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.