Finding the Fourth Proportional to 1,325,707.84, 1,988,821.68 and 526,840.48
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Solution
The fourth proportional to 1,325,707.84, 1,988,821.68 and 526,840.48 is: 790,364.01
Step by Step Solution
- Step 1: Write the proportion equation
1,325,707.84 : 1,988,821.68 = 526,840.48 : x - Step 2: Convert to fraction form
1,325,707.84/1,988,821.68 = 526,840.48/x - Step 3: Cross multiply
1,325,707.84x = 1,988,821.68 × 526,840.48 - Step 4: Simplify right side
1,325,707.84x = 1,047,791,768,525.61 - Step 5: Solve for x
x = 1,047,791,768,525.61/1,325,707.84 - Step 6: Final answer
x = 790,364.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.