Finding the Fourth Proportional to 1,053,228.24, 1,580,727.12 and 454,641.60
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Solution
The fourth proportional to 1,053,228.24, 1,580,727.12 and 454,641.60 is: 682,344.32
Step by Step Solution
- Step 1: Write the proportion equation
1,053,228.24 : 1,580,727.12 = 454,641.60 : x - Step 2: Convert to fraction form
1,053,228.24/1,580,727.12 = 454,641.60/x - Step 3: Cross multiply
1,053,228.24x = 1,580,727.12 × 454,641.60 - Step 4: Simplify right side
1,053,228.24x = 718,664,307,000.19 - Step 5: Solve for x
x = 718,664,307,000.19/1,053,228.24 - Step 6: Final answer
x = 682,344.32
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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.