Finding the Fourth Proportional to 1,224,782.82, 1,690,206.84 and 673,534.06
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Solution
The fourth proportional to 1,224,782.82, 1,690,206.84 and 673,534.06 is: 929,480.61
Step by Step Solution
- Step 1: Write the proportion equation
1,224,782.82 : 1,690,206.84 = 673,534.06 : x - Step 2: Convert to fraction form
1,224,782.82/1,690,206.84 = 673,534.06/x - Step 3: Cross multiply
1,224,782.82x = 1,690,206.84 × 673,534.06 - Step 4: Simplify right side
1,224,782.82x = 1,138,411,877,297.73 - Step 5: Solve for x
x = 1,138,411,877,297.73/1,224,782.82 - Step 6: Final answer
x = 929,480.61
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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.