Finding the Fourth Proportional to 1,224,455.67, 1,836,724.52 and 425,744.14
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Solution
The fourth proportional to 1,224,455.67, 1,836,724.52 and 425,744.14 is: 638,630.47
Step by Step Solution
- Step 1: Write the proportion equation
1,224,455.67 : 1,836,724.52 = 425,744.14 : x - Step 2: Convert to fraction form
1,224,455.67/1,836,724.52 = 425,744.14/x - Step 3: Cross multiply
1,224,455.67x = 1,836,724.52 × 425,744.14 - Step 4: Simplify right side
1,224,455.67x = 781,974,697,656.86 - Step 5: Solve for x
x = 781,974,697,656.86/1,224,455.67 - Step 6: Final answer
x = 638,630.47
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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.