Finding the Fourth Proportional to 1,272,994.24, 1,761,358.05 and 1,109,990.41
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Solution
The fourth proportional to 1,272,994.24, 1,761,358.05 and 1,109,990.41 is: 1,535,820.42
Step by Step Solution
- Step 1: Write the proportion equation
1,272,994.24 : 1,761,358.05 = 1,109,990.41 : x - Step 2: Convert to fraction form
1,272,994.24/1,761,358.05 = 1,109,990.41/x - Step 3: Cross multiply
1,272,994.24x = 1,761,358.05 × 1,109,990.41 - Step 4: Simplify right side
1,272,994.24x = 1,955,090,544,076.30 - Step 5: Solve for x
x = 1,955,090,544,076.30/1,272,994.24 - Step 6: Final answer
x = 1,535,820.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.