Finding the Fourth Proportional to 1,316,341.20, 1,973,928.60 and 606,586.80
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Solution
The fourth proportional to 1,316,341.20, 1,973,928.60 and 606,586.80 is: 909,611.45
Step by Step Solution
- Step 1: Write the proportion equation
1,316,341.20 : 1,973,928.60 = 606,586.80 : x - Step 2: Convert to fraction form
1,316,341.20/1,973,928.60 = 606,586.80/x - Step 3: Cross multiply
1,316,341.20x = 1,973,928.60 × 606,586.80 - Step 4: Simplify right side
1,316,341.20x = 1,197,359,032,902.48 - Step 5: Solve for x
x = 1,197,359,032,902.48/1,316,341.20 - Step 6: Final answer
x = 909,611.45
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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.