Finding the Fourth Proportional to 1,120,430.08, 1,679,857.86 and 410,365.84
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Solution
The fourth proportional to 1,120,430.08, 1,679,857.86 and 410,365.84 is: 615,260.42
Step by Step Solution
- Step 1: Write the proportion equation
1,120,430.08 : 1,679,857.86 = 410,365.84 : x - Step 2: Convert to fraction form
1,120,430.08/1,679,857.86 = 410,365.84/x - Step 3: Cross multiply
1,120,430.08x = 1,679,857.86 × 410,365.84 - Step 4: Simplify right side
1,120,430.08x = 689,356,281,799.50 - Step 5: Solve for x
x = 689,356,281,799.50/1,120,430.08 - Step 6: Final answer
x = 615,260.42
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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.