Finding the Fourth Proportional to 1,212,506.08, 1,673,248.26 and 668,664.52
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Solution
The fourth proportional to 1,212,506.08, 1,673,248.26 and 668,664.52 is: 922,751.45
Step by Step Solution
- Step 1: Write the proportion equation
1,212,506.08 : 1,673,248.26 = 668,664.52 : x - Step 2: Convert to fraction form
1,212,506.08/1,673,248.26 = 668,664.52/x - Step 3: Cross multiply
1,212,506.08x = 1,673,248.26 × 668,664.52 - Step 4: Simplify right side
1,212,506.08x = 1,118,841,744,613.74 - Step 5: Solve for x
x = 1,118,841,744,613.74/1,212,506.08 - Step 6: Final answer
x = 922,751.45
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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.