Finding the Fourth Proportional to 1,224,782.24, 1,690,206.07 and 673,533.50
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Solution
The fourth proportional to 1,224,782.24, 1,690,206.07 and 673,533.50 is: 929,479.84
Step by Step Solution
- Step 1: Write the proportion equation
1,224,782.24 : 1,690,206.07 = 673,533.50 : x - Step 2: Convert to fraction form
1,224,782.24/1,690,206.07 = 673,533.50/x - Step 3: Cross multiply
1,224,782.24x = 1,690,206.07 × 673,533.50 - Step 4: Simplify right side
1,224,782.24x = 1,138,410,399,282.04 - Step 5: Solve for x
x = 1,138,410,399,282.04/1,224,782.24 - Step 6: Final answer
x = 929,479.84
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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.