Finding the Fourth Proportional to 1,316,305.20, 1,973,874.60 and 606,550.80
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Solution
The fourth proportional to 1,316,305.20, 1,973,874.60 and 606,550.80 is: 909,557.46
Step by Step Solution
- Step 1: Write the proportion equation
1,316,305.20 : 1,973,874.60 = 606,550.80 : x - Step 2: Convert to fraction form
1,316,305.20/1,973,874.60 = 606,550.80/x - Step 3: Cross multiply
1,316,305.20x = 1,973,874.60 × 606,550.80 - Step 4: Simplify right side
1,316,305.20x = 1,197,255,217,729.68 - Step 5: Solve for x
x = 1,197,255,217,729.68/1,316,305.20 - Step 6: Final answer
x = 909,557.46
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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.