Finding the Fourth Proportional to 1,213,954.12, 1,675,256.42 and 670,089.75
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Solution
The fourth proportional to 1,213,954.12, 1,675,256.42 and 670,089.75 is: 924,723.71
Step by Step Solution
- Step 1: Write the proportion equation
1,213,954.12 : 1,675,256.42 = 670,089.75 : x - Step 2: Convert to fraction form
1,213,954.12/1,675,256.42 = 670,089.75/x - Step 3: Cross multiply
1,213,954.12x = 1,675,256.42 × 670,089.75 - Step 4: Simplify right side
1,213,954.12x = 1,122,572,152,313.25 - Step 5: Solve for x
x = 1,122,572,152,313.25/1,213,954.12 - Step 6: Final answer
x = 924,723.71
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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.