Finding the Fourth Proportional to 1,106,986.65, 1,527,438.63 and 623,448.24
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Solution
The fourth proportional to 1,106,986.65, 1,527,438.63 and 623,448.24 is: 860,244.27
Step by Step Solution
- Step 1: Write the proportion equation
1,106,986.65 : 1,527,438.63 = 623,448.24 : x - Step 2: Convert to fraction form
1,106,986.65/1,527,438.63 = 623,448.24/x - Step 3: Cross multiply
1,106,986.65x = 1,527,438.63 × 623,448.24 - Step 4: Simplify right side
1,106,986.65x = 952,278,925,581.51 - Step 5: Solve for x
x = 952,278,925,581.51/1,106,986.65 - Step 6: Final answer
x = 860,244.27
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1.5x scale
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.