Finding the Fourth Proportional to 1,125,315.04, 1,688,120.76 and 366,890.08
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Solution
The fourth proportional to 1,125,315.04, 1,688,120.76 and 366,890.08 is: 550,383.44
Step by Step Solution
- Step 1: Write the proportion equation
1,125,315.04 : 1,688,120.76 = 366,890.08 : x - Step 2: Convert to fraction form
1,125,315.04/1,688,120.76 = 366,890.08/x - Step 3: Cross multiply
1,125,315.04x = 1,688,120.76 × 366,890.08 - Step 4: Simplify right side
1,125,315.04x = 619,354,760,686.06 - Step 5: Solve for x
x = 619,354,760,686.06/1,125,315.04 - Step 6: Final answer
x = 550,383.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.