Finding the Fourth Proportional to 1,170,994.92, 1,615,951.99 and 661,686.36
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Solution
The fourth proportional to 1,170,994.92, 1,615,951.99 and 661,686.36 is: 913,115.31
Step by Step Solution
- Step 1: Write the proportion equation
1,170,994.92 : 1,615,951.99 = 661,686.36 : x - Step 2: Convert to fraction form
1,170,994.92/1,615,951.99 = 661,686.36/x - Step 3: Cross multiply
1,170,994.92x = 1,615,951.99 × 661,686.36 - Step 4: Simplify right side
1,170,994.92x = 1,069,253,390,197.86 - Step 5: Solve for x
x = 1,069,253,390,197.86/1,170,994.92 - Step 6: Final answer
x = 913,115.31
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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.