Finding the Fourth Proportional to 1,005,363.60, 1,509,119.76 and 406,716.09
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Solution
The fourth proportional to 1,005,363.60, 1,509,119.76 and 406,716.09 is: 610,508.76
Step by Step Solution
- Step 1: Write the proportion equation
1,005,363.60 : 1,509,119.76 = 406,716.09 : x - Step 2: Convert to fraction form
1,005,363.60/1,509,119.76 = 406,716.09/x - Step 3: Cross multiply
1,005,363.60x = 1,509,119.76 × 406,716.09 - Step 4: Simplify right side
1,005,363.60x = 613,783,281,707.15 - Step 5: Solve for x
x = 613,783,281,707.15/1,005,363.60 - Step 6: Final answer
x = 610,508.76
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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.