Finding the Fourth Proportional to 1,237,312.48, 1,707,628.08 and 693,536.80
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Solution
The fourth proportional to 1,237,312.48, 1,707,628.08 and 693,536.80 is: 957,157.50
Step by Step Solution
- Step 1: Write the proportion equation
1,237,312.48 : 1,707,628.08 = 693,536.80 : x - Step 2: Convert to fraction form
1,237,312.48/1,707,628.08 = 693,536.80/x - Step 3: Cross multiply
1,237,312.48x = 1,707,628.08 × 693,536.80 - Step 4: Simplify right side
1,237,312.48x = 1,184,302,914,193.34 - Step 5: Solve for x
x = 1,184,302,914,193.34/1,237,312.48 - Step 6: Final answer
x = 957,157.50
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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.