Finding the Fourth Proportional to 1,575,815.40, 2,363,723.10 and 453,997.80
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Solution
The fourth proportional to 1,575,815.40, 2,363,723.10 and 453,997.80 is: 680,996.70
Step by Step Solution
- Step 1: Write the proportion equation
1,575,815.40 : 2,363,723.10 = 453,997.80 : x - Step 2: Convert to fraction form
1,575,815.40/2,363,723.10 = 453,997.80/x - Step 3: Cross multiply
1,575,815.40x = 2,363,723.10 × 453,997.80 - Step 4: Simplify right side
1,575,815.40x = 1,073,125,087,209.18 - Step 5: Solve for x
x = 1,073,125,087,209.18/1,575,815.40 - Step 6: Final answer
x = 680,996.70
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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.