Finding the Fourth Proportional to 1,005,735.84, 1,499,129.18 and 925,023.12
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Solution
The fourth proportional to 1,005,735.84, 1,499,129.18 and 925,023.12 is: 1,378,820.45
Step by Step Solution
- Step 1: Write the proportion equation
1,005,735.84 : 1,499,129.18 = 925,023.12 : x - Step 2: Convert to fraction form
1,005,735.84/1,499,129.18 = 925,023.12/x - Step 3: Cross multiply
1,005,735.84x = 1,499,129.18 × 925,023.12 - Step 4: Simplify right side
1,005,735.84x = 1,386,729,146,741.53 - Step 5: Solve for x
x = 1,386,729,146,741.53/1,005,735.84 - Step 6: Final answer
x = 1,378,820.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.