Finding the Fourth Proportional to 1,070,472.26, 1,605,708.38 and 360,440.84
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Solution
The fourth proportional to 1,070,472.26, 1,605,708.38 and 360,440.84 is: 540,661.26
Step by Step Solution
- Step 1: Write the proportion equation
1,070,472.26 : 1,605,708.38 = 360,440.84 : x - Step 2: Convert to fraction form
1,070,472.26/1,605,708.38 = 360,440.84/x - Step 3: Cross multiply
1,070,472.26x = 1,605,708.38 × 360,440.84 - Step 4: Simplify right side
1,070,472.26x = 578,762,877,282.24 - Step 5: Solve for x
x = 578,762,877,282.24/1,070,472.26 - Step 6: Final answer
x = 540,661.26
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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.