Finding the Fourth Proportional to 1,109,340.16, 1,660,744.32 and 687,258.88
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Solution
The fourth proportional to 1,109,340.16, 1,660,744.32 and 687,258.88 is: 1,028,865.02
Step by Step Solution
- Step 1: Write the proportion equation
1,109,340.16 : 1,660,744.32 = 687,258.88 : x - Step 2: Convert to fraction form
1,109,340.16/1,660,744.32 = 687,258.88/x - Step 3: Cross multiply
1,109,340.16x = 1,660,744.32 × 687,258.88 - Step 4: Simplify right side
1,109,340.16x = 1,141,361,281,329.56 - Step 5: Solve for x
x = 1,141,361,281,329.56/1,109,340.16 - Step 6: Final answer
x = 1,028,865.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.