Finding the Fourth Proportional to 1,046,155.68, 1,569,289.68 and 336,129.12
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Solution
The fourth proportional to 1,046,155.68, 1,569,289.68 and 336,129.12 is: 504,211.72
Step by Step Solution
- Step 1: Write the proportion equation
1,046,155.68 : 1,569,289.68 = 336,129.12 : x - Step 2: Convert to fraction form
1,046,155.68/1,569,289.68 = 336,129.12/x - Step 3: Cross multiply
1,046,155.68x = 1,569,289.68 × 336,129.12 - Step 4: Simplify right side
1,046,155.68x = 527,483,959,163.48 - Step 5: Solve for x
x = 527,483,959,163.48/1,046,155.68 - Step 6: Final answer
x = 504,211.72
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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.