Finding the Fourth Proportional to 1,155,462.26, 1,594,508.10 and 639,202.82
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Solution
The fourth proportional to 1,155,462.26, 1,594,508.10 and 639,202.82 is: 882,083.40
Step by Step Solution
- Step 1: Write the proportion equation
1,155,462.26 : 1,594,508.10 = 639,202.82 : x - Step 2: Convert to fraction form
1,155,462.26/1,594,508.10 = 639,202.82/x - Step 3: Cross multiply
1,155,462.26x = 1,594,508.10 × 639,202.82 - Step 4: Simplify right side
1,155,462.26x = 1,019,214,074,032.84 - Step 5: Solve for x
x = 1,019,214,074,032.84/1,155,462.26 - Step 6: Final answer
x = 882,083.40
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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.