Finding the Fourth Proportional to 1,212,613.65, 1,673,483.58 and 668,750.49
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Solution
The fourth proportional to 1,212,613.65, 1,673,483.58 and 668,750.49 is: 922,918.00
Step by Step Solution
- Step 1: Write the proportion equation
1,212,613.65 : 1,673,483.58 = 668,750.49 : x - Step 2: Convert to fraction form
1,212,613.65/1,673,483.58 = 668,750.49/x - Step 3: Cross multiply
1,212,613.65x = 1,673,483.58 × 668,750.49 - Step 4: Simplify right side
1,212,613.65x = 1,119,142,964,131.95 - Step 5: Solve for x
x = 1,119,142,964,131.95/1,212,613.65 - Step 6: Final answer
x = 922,918.00
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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.