Finding the Fourth Proportional to 1,177,502.40, 1,624,860.68 and 668,204.78
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Solution
The fourth proportional to 1,177,502.40, 1,624,860.68 and 668,204.78 is: 922,070.02
Step by Step Solution
- Step 1: Write the proportion equation
1,177,502.40 : 1,624,860.68 = 668,204.78 : x - Step 2: Convert to fraction form
1,177,502.40/1,624,860.68 = 668,204.78/x - Step 3: Cross multiply
1,177,502.40x = 1,624,860.68 × 668,204.78 - Step 4: Simplify right side
1,177,502.40x = 1,085,739,661,744.72 - Step 5: Solve for x
x = 1,085,739,661,744.72/1,177,502.40 - Step 6: Final answer
x = 922,070.02
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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.