Finding the Fourth Proportional to 1,292,572.33, 1,939,744.14 and 451,124.08
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Solution
The fourth proportional to 1,292,572.33, 1,939,744.14 and 451,124.08 is: 676,995.22
Step by Step Solution
- Step 1: Write the proportion equation
1,292,572.33 : 1,939,744.14 = 451,124.08 : x - Step 2: Convert to fraction form
1,292,572.33/1,939,744.14 = 451,124.08/x - Step 3: Cross multiply
1,292,572.33x = 1,939,744.14 × 451,124.08 - Step 4: Simplify right side
1,292,572.33x = 875,065,290,592.89 - Step 5: Solve for x
x = 875,065,290,592.89/1,292,572.33 - Step 6: Final answer
x = 676,995.22
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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.