Finding the Fourth Proportional to 1,115,346.16, 1,539,174.81 and 606,048.58
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Solution
The fourth proportional to 1,115,346.16, 1,539,174.81 and 606,048.58 is: 836,345.47
Step by Step Solution
- Step 1: Write the proportion equation
1,115,346.16 : 1,539,174.81 = 606,048.58 : x - Step 2: Convert to fraction form
1,115,346.16/1,539,174.81 = 606,048.58/x - Step 3: Cross multiply
1,115,346.16x = 1,539,174.81 × 606,048.58 - Step 4: Simplify right side
1,115,346.16x = 932,814,707,972.27 - Step 5: Solve for x
x = 932,814,707,972.27/1,115,346.16 - Step 6: Final answer
x = 836,345.47
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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.