Finding the Fourth Proportional to 1,070,457.26, 1,605,685.88 and 360,425.84
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Solution
The fourth proportional to 1,070,457.26, 1,605,685.88 and 360,425.84 is: 540,638.75
Step by Step Solution
- Step 1: Write the proportion equation
1,070,457.26 : 1,605,685.88 = 360,425.84 : x - Step 2: Convert to fraction form
1,070,457.26/1,605,685.88 = 360,425.84/x - Step 3: Cross multiply
1,070,457.26x = 1,605,685.88 × 360,425.84 - Step 4: Simplify right side
1,070,457.26x = 578,730,674,947.77 - Step 5: Solve for x
x = 578,730,674,947.77/1,070,457.26 - Step 6: Final answer
x = 540,638.75
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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.