Finding the Fourth Proportional to 1,119,293.41, 1,544,679.66 and 629,417.09
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Solution
The fourth proportional to 1,119,293.41, 1,544,679.66 and 629,417.09 is: 868,626.37
Step by Step Solution
- Step 1: Write the proportion equation
1,119,293.41 : 1,544,679.66 = 629,417.09 : x - Step 2: Convert to fraction form
1,119,293.41/1,544,679.66 = 629,417.09/x - Step 3: Cross multiply
1,119,293.41x = 1,544,679.66 × 629,417.09 - Step 4: Simplify right side
1,119,293.41x = 972,247,773,432.30 - Step 5: Solve for x
x = 972,247,773,432.30/1,119,293.41 - Step 6: Final answer
x = 868,626.37
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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.