Finding the Fourth Proportional to 1,048,128.48, 1,446,337.62 and 589,170.06
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Solution
The fourth proportional to 1,048,128.48, 1,446,337.62 and 589,170.06 is: 813,009.89
Step by Step Solution
- Step 1: Write the proportion equation
1,048,128.48 : 1,446,337.62 = 589,170.06 : x - Step 2: Convert to fraction form
1,048,128.48/1,446,337.62 = 589,170.06/x - Step 3: Cross multiply
1,048,128.48x = 1,446,337.62 × 589,170.06 - Step 4: Simplify right side
1,048,128.48x = 852,138,822,355.66 - Step 5: Solve for x
x = 852,138,822,355.66/1,048,128.48 - Step 6: Final answer
x = 813,009.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.